Vocabulary

  • have to: Must do
  • trash talk: Insulting or boastful speech intended to demoralize, intimidate, or humiliate someone, especially an opponent.
  • outside of: Located or situated beyond the boundaries or confines of something.
  • go out: To leave a building (e.g. a house)
  • depending on: To rely on for support (financial or emotional)
  • in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
  • back then: At that time in the past.
  • on to: Toward something; forward
  • make of: To understand or have an opinion about something
  • in the game: Still involved or active in a competition or situation.
  • at the end of the day: Ultimately; when everything else is considered.
  • give up: To lose hope or admit defeat
  • take back: To say you no longer agree with an opinion you had
  • be with: To accompany someone; to be in someone's presence.
  • in advance: Ahead of time; before something happens
  • going on: To continue doing something
  • at a time: Separately; one by one
  • think of: To look on as (being something specific); consider
  • figure out: To understand the behavior of someone
  • at least: As a minimum
  • used to: Did regularly before, but don't do now
  • point out: To make others aware of an idea
  • right back: Said when someone says they will return soon, indicating you expect their prompt return.
  • out there: In or to a place that is far away
  • in the future: At a later time; in times to come.
  • down the line: At a later time; in the future.
  • at times: Sometimes; occasionally.
  • of a sudden: Quickly and unexpectedly; suddenly.
  • move to: To change the place where you live or work.
  • for example: As an illustration or instance.
  • go on: To continue doing something
  • wrap around: To encircle or surround something.
  • come from: To have as your native country or city
  • found out: To learn or discover something, often after some effort.
  • side with: To support one person or group against another in a disagreement.
  • instead of: When one thing is replaced by another
  • out of time: Having no more time available to do something.
  • by accident: Without intending to; unintentionally.
  • tip over: To fall or turn over; to overturn.
  • look at: To use your eyes to focus on something
  • called off: To cancel or stop planning an activity or event
  • due to: Because of; owing to
  • essentially: Basically; (said when stating the basic facts)
  • massive: Very big; large; too big
  • ridiculous: Funny or foolish; deserving to be laughed at
  • slightly: Only a little
  • pattern: Model to follow in making or doing something
  • period: Set amount of time during which events take place
  • basically: Used before you explain something simply, clearly
  • average: Total of numbers divided by the number of items
  • completely: In every way or as much as possible
  • exact: Completely correct; accurate; specific
  • position: Person's opinion or attitude about something
  • stake: Share/interest in the success of a business, etc.
  • estimate: Guess or calculation of cost, size or value
  • advice: Suggestion about what would help someone
  • recognition: Accepting that something is true or that it exists
  • pause: To stop doing for a while before continuing
  • complete: To finish or reach the end of doing something
  • opponent: Person who opposes an idea or plan; enemy
  • board: Surface for posting or showing information
  • controversy: Strong public disagreement about something
  • capture: To attract and hold e.g. interest, attention
  • beat: To move in regular motions in order to push blood
  • variation: Something almost the same as another but different
  • tournament: Sports contest with many games to find a winner
  • analyze: To study carefully to find out the meaning of
  • gain: To increase in something, such as weight
  • square: Shape with 4 equal length sides and 4 equal angles
  • lot: What happens to a person in life from chance; fate
  • depend: Be controlled or determined by (someone/something)
  • punch: Alcoholic drink made from wine and fruit, etc.
  • preparation: Cream or substance applied onto the skin
  • learn: To get knowledge or skills by study or experience
  • defend: To protect and explain your position in court
  • piece: A counter in a board game
  • modern: Of the present time; up to date; contemporary
  • resign: To leave a job because you want to
  • nowadays: At the present time; now
  • remember: To give someone a gift, e.g. birthday, wedding
  • person: Man, woman or child
  • minimum: Smallest degree or level that is acceptable
  • mistake: Something done wrong/calculated wrong; error
  • trash: Garbage or anything that is worthless
  • start: First time or place that a thing exists; beginning
  • world: All the humans, events, activities on the earth
  • time: Speed at which music is played; tempo
  • ridiculously: Extremely; so much so that people might laugh
  • blunder: To make a large mistake or error
  • pawn: Person used to advance the purposes of another
  • smother: To cover something or someone completely
  • knight: Chess piece in the shape of a horse's head
  • chess: Game of mental strategy for two players
  • knockout: Excellent, or wonderful; amazing
  • underscore: To highlight or stress
  • checkmate: When you lose at chess if your king cannot escape
  • commentator: Professional who discusses a particular subject
  • bobby: Police officer (UK slang)
  • grandmaster: Chess player of exceptional or world class skill
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • advice

      US /əd'vaɪs/

      UK /ədˈvaɪs/

      • Uncountable Noun
      • Suggestion about what would help someone
      • Professional guidance from a lawyer or legal expert.
      A2TOEIC
      More
    • analyze

      US /ˈænəˌlaɪz/

      UK /'ænəlaɪz/

      • Transitive Verb
      • To study carefully to find out the meaning of
      B1TOEIC
      More
    • at a time

      US /æt e taɪm/

      UK /æt ə taim/

      • Phrase
      • Separately; one by one
      • Simultaneously; together
      A1
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • at the end of the day

      US

      UK

      • Phrase
      • Ultimately; when everything else is considered.
      • After a day's work or activities.
      A1
      More
    • at times

      US /æt taɪmz/

      UK /æt taɪmz/

      • Phrase
      • Sometimes; occasionally.
      A1
      More
    • average

      US /ˈævərɪdʒ, ˈævrɪdʒ/

      UK /'ævərɪdʒ/

      • Noun (Countable/Uncountable)
      • Total of numbers divided by the number of items
      • Transitive Verb
      • To add numbers then divide by the number of items
      A2TOEIC
      More
    • back then

      US

      UK

      • Phrase
      • At that time in the past.
      A1
      More
    • basically

      US /ˈbesɪkəli,-kli/

      UK /ˈbeɪsɪkli/

      • Adverb
      • Used before you explain something simply, clearly
      • In essence; when you consider the most important aspects of something.
      A2
      More
    • be with

      US /bi wɪð/

      UK /bi: wið/

      • Phrasal Verb
      • To accompany someone; to be in someone's presence.
      • To support someone's opinion or cause.
      A1
      More
    • beat

      US /bit/

      UK /bi:t/

      • Intransitive Verb
      • To move in regular motions in order to push blood
      • Transitive Verb
      • To strike or hit repeatedly and with great force
      • To mix ingredients together with a fork or machine
      A2
      More
    • blunder

      US /ˈblʌndɚ/

      UK /'blʌndə(r)/

      • Intransitive Verb
      • To make a large mistake or error
      B2TOEIC
      More
    • bobby

      US /ˈbɑ:bi/

      UK /ˈbɒbi/

      • Noun
      • Police officer (UK slang)
      • Proper Noun
      • Person's name
      C1
      More
    • by accident

      US /baɪ ˈæksɪdənt/

      UK /bai ˈæksidənt/

      • Phrase
      • Without intending to; unintentionally.
      More
    • called off

      US

      UK

      • Phrasal Verb
      • To cancel or stop planning an activity or event
      • Ordered someone or something to stop attacking or pursuing (past tense).
      A1
      More
    • capture

      US /ˈkæptʃɚ/

      UK /'kæptʃə(r)/

      • Transitive Verb
      • To attract and hold e.g. interest, attention
      • To record, tape, or film something
      • Noun
      • The act of seizing or taking control of something.
      B1
      More
    • checkmate

      US /ˈtʃɛkˌmet/

      UK /ˌtʃek'meɪt/

      • Noun
      • When you lose at chess if your king cannot escape
      C2
      More
    • chess

      US /tʃɛs/

      UK /tʃes/

      • Noun (Countable/Uncountable)
      • Game of mental strategy for two players
      • The set of pieces used to play the game of chess.
      B1
      More
    • come from

      US /kʌm frʌm/

      UK /kʌm frɔm/

      • Phrasal Verb
      • To have as your native country or city
      A1
      More
    • commentator

      US /ˈkɑmənˌtetɚ/

      UK /ˈkɒmənteɪtə(r)/

      • Noun (Countable/Uncountable)
      • Professional who discusses a particular subject
      • A person who comments on events or on a text.
      B2
      More
    • controversy

      US /ˈkɑntrəˌvɚsi/

      UK /'kɒntrəvɜ:sɪ/

      • Noun (Countable/Uncountable)
      • Strong public disagreement about something
      B1
      More
    • defend

      US /dɪˈfɛnd/

      UK /dɪ'fend/

      • Transitive Verb
      • To protect and explain your position in court
      • To protect against an attack
      B1TOEIC
      More
    • depend

      US /dɪˈpend/

      UK /dɪˈpend/

      • Verb (Transitive/Intransitive)
      • Be controlled or determined by (someone/something)
      • To rely on someone or something for support, help, or existence.
      B1TOEIC
      More
    • depending on

      US

      UK

      • Phrasal Verb
      • To rely on for support (financial or emotional)
      • Influenced or determined by.
      • Preposition
      • Subject to; contingent on
      • Relying on someone or something for support or assistance.
      A2
      More
    • down the line

      US /daʊn ði laɪn/

      UK /daun ðə lain/

      • Phrase
      • At a later time; in the future.
      • Completely; entirely; all the way.
      • Adjective
      • In agreement or accordance with something.
      A1
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • essentially

      US /ɪˈsenʃəli/

      UK /ɪˈsenʃəli/

      • Adverb
      • Basically; (said when stating the basic facts)
      • Used to emphasize the basic truth or fact of a situation.
      A2
      More
    • estimate

      US /ˈɛstəˌmet/

      UK /'estɪmət/

      • Noun (Countable/Uncountable)
      • Guess or calculation of cost, size or value
      • A judgment or opinion.
      • Transitive Verb
      • To guess or calculate the cost, size or value of
      • To form an approximate idea or judgment of.
      A2TOEIC
      More
    • exact

      US /ɪɡˈzækt/

      UK /ɪɡ'zækt/

      • Adjective
      • Completely correct; accurate; specific
      • Transitive Verb
      • To get something, sometimes using force
      A2TOEIC
      More
    • figure out

      US /ˈfɪɡjɚ aʊt/

      UK /ˈfiɡə aut/

      • Phrasal Verb
      • To understand the behavior of someone
      • To think through logically to find a solution
      • Verb (Transitive/Intransitive)
      • To understand or find an answer to something.
      • To find a solution to a problem or understand something.
      A1
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • found out

      US

      UK

      • Phrasal Verb
      • To learn or discover something, often after some effort.
      • To become known; be revealed.
      B2
      More
    • gain

      US /ɡen/

      UK /ɡeɪn/

      • Verb (Transitive/Intransitive)
      • To increase in something, such as weight
      • To get something wanted, needed or valued
      • Noun (Countable/Uncountable)
      • An increase in something, such as weight
      A2TOEIC
      More
    • give up

      US /ɡɪv ʌp/

      UK /ɡiv ʌp/

      • Phrasal Verb
      • To lose hope or admit defeat
      • To decide to not start to try solving a problem
      A1
      More
    • go on

      US /ɡo ɑn/

      UK /ɡəu ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      • Interjection
      • Used to encourage someone
      A1
      More
    • go out

      US /ɡo aʊt/

      UK /ɡəu aut/

      • Phrase
      • To leave a building (e.g. a house)
      • Phrasal Verb
      • (Of a fire) to burn out; be extinguished
      • Go out of fashion to stop being fashionable
      A1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      A1
      More
    • grandmaster

      US /ɡ'rændm'ɑ:stə/

      UK /ɡ'rændm'ɑ:stə/

      • Noun
      • Chess player of exceptional or world class skill
      C2
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • in advance

      US /ɪn ædˈvæns/

      UK /in ədˈvɑ:ns/

      • Phrase
      • Ahead of time; before something happens
      • Noun
      • A payment made before it is due, especially for work to be done
      A2
      More
    • in the future

      US /ɪn ði ˈfjutʃɚ/

      UK /in ðə ˈfju:tʃə/

      • Phrase
      • At a later time; in times to come.
      A1
      More
    • in the game

      US /ɪn ðə ˈɡeɪm/

      UK /in ðə ˈɡeɪm/

      • other
      • Still involved or active in a competition or situation.
      B2
      More
    • in the world

      US /ɪn ði wɜrld/

      UK /in ðə wɜː(r)ld/

      • Phrase
      • Used to emphasize a question expressing surprise, confusion, or disbelief.
      • Used to indicate the extent or degree of something, often in a superlative sense.
      A1
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • knight

      US /naɪt/

      UK /naɪt/

      • Countable Noun
      • Chess piece in the shape of a horse's head
      • High-ranked medieval soldier fighting on horse
      • Transitive Verb
      • To grant someone the title of knight
      B2TOEIC
      More
    • knockout

      US /ˈnɑkˌaʊt/

      UK /'nɒkaʊt/

      • Adjective
      • Excellent, or wonderful; amazing
      • Noun
      • A punch that makes a boxer unconscious
      • A situation in boxing where a fighter is hit so hard that they fall to the ground and cannot get up before the referee counts to ten, thus losing the match.
      C2
      More
    • look at

      US /lʊk æt/

      UK /luk æt/

      • Phrasal Verb
      • To use your eyes to focus on something
      • To focus your eyes on something carefully
      A1
      More
    • make of

      US /mek ʌv/

      UK /meik ɔv/

      • Phrasal Verb
      • To understand or have an opinion about something
      • To create or produce something from a particular material
      A1
      More
    • massive

      US /ˈmæsɪv/

      UK /ˈmæsɪv/

      • Adjective
      • Very big; large; too big
      • Large or imposing in scale or scope.
      B1
      More
    • minimum

      US /ˈmɪnəməm/

      UK /ˈmɪnɪməm/

      • Noun (Countable/Uncountable)
      • Smallest degree or level that is acceptable
      • The lowest recorded or expected temperature.
      • Adjective
      • Smallest or lowest; the least possible.
      • Using or requiring the least possible resources.
      B1TOEIC
      More
    • move to

      US /muv tu/

      UK /mu:v tu:/

      • Phrasal Verb
      • To change the place where you live or work.
      • Verb (Transitive/Intransitive)
      • To proceed to the next stage or action.
      A2
      More
    • nowadays

      US /ˈnaʊəˌdez/

      UK /ˈnaʊədeɪz/

      • Adverb
      • At the present time; now
      • Noun
      • The current period of time; the present.
      A2
      More
    • of a sudden

      US

      UK

      • Phrase
      • Quickly and unexpectedly; suddenly.
      B2
      More
    • on to

      US /ɑn tu/

      UK /ɔn tu:/

      • Preposition
      • Toward something; forward
      • Aware of someone's activities.
      • Adjective
      • Aware of someone's deception or illegal activities.
      A1
      More
    • opponent

      US /əˈponənt/

      UK /əˈpəʊnənt/

      • Noun (Countable/Uncountable)
      • Person who opposes an idea or plan; enemy
      • Person that you are competing against in a game
      B1
      More
    • out of time

      US /aʊt ʌv taɪm/

      UK /aut ɔv taim/

      • Adjective
      • Having no more time available to do something.
      A1
      More
    • out there

      US /aʊt ðɛr/

      UK /aut ðɛə/

      • Adverb
      • In or to a place that is far away
      • Existing in the universe
      • Adjective
      • Unconventional; strange; avant-garde
      • Existing or available.
      A1
      More
    • outside of

      US /aʊtˈsaɪd ʌv/

      UK /ˌautˈsaid ɔv/

      • Preposition
      • Located or situated beyond the boundaries or confines of something.
      • Beyond the scope, range, or limits of something.
      A1
      More
    • pattern

      US /ˈpætən/

      UK /'pætn/

      • Noun (Countable/Uncountable)
      • Model to follow in making or doing something
      • Colors or shapes which are repeated on objects
      • Transitive Verb
      • To copy the way something else is made
      • To decorate with a pattern.
      A2TOEIC
      More
    • pause

      US /pɔz/

      UK /pɔ:z/

      • Verb (Transitive/Intransitive)
      • To stop doing for a while before continuing
      • To temporarily interrupt the execution of a program or process.
      • Noun (Countable/Uncountable)
      • A temporary break before continuing
      • Function on a device to stop and restart it
      A2
      More
    • pawn

      US /pɔn/

      UK /pɔ:n/

      • Noun
      • Person used to advance the purposes of another
      C1
      More
    • point out

      US /pɔɪnt aʊt/

      UK /pɔint aut/

      • Phrasal Verb
      • To make others aware of an idea
      • To draw attention to something or someone
      A1
      More
    • preparation

      US /ˌprɛpəˈreʃən/

      UK /ˌprepəˈreɪʃn/

      • Noun (Countable/Uncountable)
      • Cream or substance applied onto the skin
      • Act of making ready for a purpose or activity
      A2
      More
    • punch

      US /pʌntʃ/

      UK /pʌntʃ/

      • Noun (Countable/Uncountable)
      • Alcoholic drink made from wine and fruit, etc.
      • Transitive Verb
      • To hit something very hard with a closed hand
      • To make a hole in something with a special tool
      B1
      More
    • recognition

      US /ˌrɛkəɡˈnɪʃən/

      UK /ˌrekəgˈnɪʃn/

      • Uncountable Noun
      • Accepting that something is true or that it exists
      • Considering something as important or special
      B1TOEIC
      More
    • resign

      US /rɪ'zaɪn/

      UK /rɪ'zaɪn/

      • Intransitive Verb
      • To leave a job because you want to
      • Verb (Transitive/Intransitive)
      • To accept something unpleasant that one cannot do anything about.
      B1TOEIC
      More
    • ridiculous

      US /rɪˈdɪkjələs/

      UK /rɪˈdɪkjələs/

      • Adjective
      • Funny or foolish; deserving to be laughed at
      A2
      More
    • ridiculously

      US /rɪˈdɪkjələslɪ/

      UK /rɪ'dɪkjələslɪ/

      • Adverb
      • Extremely; so much so that people might laugh
      B1
      More
    • right back

      US /raɪt bæk/

      UK /rait bæk/

      • Interjection
      • Said when someone says they will return soon, indicating you expect their prompt return.
      • Adverb
      • Immediately; very soon after going.
      A1
      More
    • side with

      US /saɪd wɪð/

      UK /said wið/

      • Phrasal Verb
      • To support one person or group against another in a disagreement.
      A2
      More
    • slightly

      US /ˈslaɪtli/

      UK /ˈslaɪtli/

      • Adverb
      • Only a little
      B1
      More
    • smother

      US /ˈsmʌðɚ/

      UK /'smʌðə(r)/

      • Transitive Verb
      • To cover something or someone completely
      • To conceal bad news to stop others knowing
      B2
      More
    • square

      US /skwɛr/

      UK /skweə(r)/

      • Noun (Countable/Uncountable)
      • Shape with 4 equal length sides and 4 equal angles
      • The result of multiplying Length by the width
      • Adjective
      • Being fair or honest
      • Multiply a number by itself e.g. 2x2 or 6x6
      A2TOEIC
      More
    • stake

      US /stek/

      UK /steɪk/

      • Noun (Countable/Uncountable)
      • Share/interest in the success of a business, etc.
      • Money bet in a game that can be won or lost
      • Transitive Verb
      • To bet or wager on an outcome
      • To risk something important by taking a risk
      B1TOEIC
      More
    • take back

      US /tek bæk/

      UK /teik bæk/

      • Phrasal Verb
      • To say you no longer agree with an opinion you had
      • To return something you bought to the store
      • Transitive Verb
      • To retract or withdraw a statement or claim.
      • To regain possession of something.
      A1
      More
    • think of

      US /θɪŋk ʌv/

      UK /θiŋk ɔv/

      • Phrasal Verb
      • To look on as (being something specific); consider
      • To consider or remember something.
      • Verb (Transitive/Intransitive)
      • To imagine or call something to mind
      A1
      More
    • tip over

      US /tɪp ˈovɚ/

      UK /tip ˈəuvə/

      • Phrasal Verb
      • To fall or turn over; to overturn.
      A2
      More
    • tournament

      US /ˈtʊrnəmənt, ˈtɚ-/

      UK /'tʊənəmənt/

      • Countable Noun
      • Sports contest with many games to find a winner
      B2
      More
    • trash

      US /træʃ/

      UK /træʃ/

      • Uncountable Noun
      • Garbage or anything that is worthless
      • Transitive Verb
      • To throw away in the garbage
      • To criticize; claim person/thing is inferior
      B2TOEIC
      More
    • trash talk

      US

      UK

      • Noun
      • Insulting or boastful speech intended to demoralize, intimidate, or humiliate someone, especially an opponent.
      • Verb (Transitive/Intransitive)
      • To engage in insulting or boastful speech intended to demoralize, intimidate, or humiliate someone, especially an opponent.
      A1
      More
    • underscore

      US //ˌʌndərˈskɔr//

      UK

      • Transitive Verb
      • To highlight or stress
      • To provide a musical accompaniment or background to a scene or performance.
      • Noun
      • A punctuation mark (_) written below the line.
      • A line drawn under a word or phrase for emphasis or to indicate a space.
      C1
      More
    • used to

      US /juzd tu/

      UK /ˈju:st tə/

      • Adjective
      • Did regularly before, but don't do now
      • Auxiliary Verb
      • Have done before, but do not do now
      A1
      More
    • variation

      US /ˌvɛriˈeʃən, ˈvær-/

      UK /ˌveəriˈeɪʃn/

      • Noun (Countable/Uncountable)
      • Something almost the same as another but different
      • Music played with a different tune from another
      A2TOEIC
      More
    • wrap around

      US /ræp əˈraʊnd/

      UK /ræp əˈraund/

      • Phrasal Verb
      • To encircle or surround something.
      • To extend or stretch around something.
      A2
      More
    Video not in English?
    Video not in English?

    Get the full experience in the app

    Learn anywhere with detailed sentence and usage analysis

    preview
    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

    Get the full experience in the app

    Look up words anytime with pronunciation, part of speech, and usage

    preview

    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

    Get the full experience in the app

    Practice speaking anytime and get instant pronunciation feedback

    preview

    Try this speaking exercise.

    Try practicing with this sentence.

    80
    B1
    #chess#pawn#knight#asks#opponent#magnus

    チェスの指導者だけど質問ある? | Tech Support | WIRED Japan

    0
    林宜悉 posted on 2025/03/07
    Ever wondered about the drama behind chess? This video dives into everything from the Sicilian Defense to the infamous Hans Niemann controversy, featuring insights from chess educator Levi Rossman! You'll pick up advanced vocabulary and learn about cultural aspects of the game, making it a fun way to boost your English.

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Recommended Videos

    Auto Next Video

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved