Vocabulary

  • on earth: Used to emphasize a question expressing surprise or anger.
  • look at: To use your eyes to focus on something
  • as a result of: Because of something; owing to.
  • due to: Because of; owing to
  • found out: To learn or discover something, often after some effort.
  • in favour of
  • go out: To leave a building (e.g. a house)
  • check out
  • significant: Large enough to be noticed or have an effect
  • phenomenon: Unusual event, fact that can be studied
  • present: Being in attendance; being there; having turned up
  • bias: Preference to believe things even if incorrect
  • brilliant: Having a great amount of intelligence or talent
  • elite: The richest, most powerful, best-educated, or best-trained group in a society
  • community: Group of people who share a common idea or area
  • research: To study in order to discover new ideas and facts
  • admit: To acknowledge that something is true or right
  • concentrate: To cause to be present in large amount or number
  • paradox: Surprising statement containing two opposing ideas
  • occur: To come to pass or to happen
  • draw: To attract attention to someone or something
  • optimal: Best or most desirable; best possible
  • explain: To make clear or easy to understand by describing
  • conclusion: End of something; finish
  • decision: Choice made after thinking; final judgment
  • apply: To spread a substance or liquid over a surface
  • result: Something produced through tests or experiments
  • aid: To help others and provide things
  • technically: In an exact and particular manner
  • favor: Support or approval from people
  • institution: Organization created for a particular aim/purpose
  • admission: Act of allowing someone to enter
  • accept: To agree to receive or take something offered
  • bullet: Metal object fired from a gun
  • competitive: Being strongly driven to win or be better than
  • flee: To leave somewhere urgently, to avoid danger
  • unexpected: Surprising because it was not expected
  • analyze: To study carefully to find out the meaning of
  • correct: Being suitable and appropriate for an occasion
  • suggest: To mention something that could be done; propose
  • trend: Current style or fashion
  • appear: To be seen, become visible; come into sight
  • animation: The process of creating moving images using drawings, computer graphics, or other techniques.
  • complicate: To make more difficult to do, understand or use
  • analysis: Careful study to better understand something
  • hit: To have a negative impact on a person/place/thing
  • fully: Completely or entirely
  • simple: Not hard to understand or do; not complex
  • aircraft: Vehicle that can fly
  • mission: A task or role someone is given to do
  • information: Collection of facts and details about something
  • detail: Small part of something; tiny fact
  • armor: Defensive (e.g. metal) covering for bodies, things
  • pick: Sharp tool used for breaking the ground
  • include: To make someone, something part of a group
  • statistical: Concerning the math of data
  • tank: Container for holding liquid or gas
  • datum: Item of factual information
  • persecute: To ill-treat, oppress or harass, as for religion
  • unbiased: Without prejudice; giving a fair assessment
  • cartoon: Drawing or illustration meant to make you laugh
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  • not found vocabularyNo vocabulary matches your filters
    • admission

      US /ædˈmɪʃən/

      UK /ədˈmɪʃn/

      • Noun (Countable/Uncountable)
      • Act of allowing someone to enter
      • Taking responsibility for an error or mistake
      B1TOEIC
      More
    • admit

      US /ædˈmɪt/

      UK /əd'mɪt/

      • Transitive Verb
      • To acknowledge that something is true or right
      • To allow someone to enter
      A2TOEIC
      More
    • aid

      US /ed/

      UK /eɪd/

      • Transitive Verb
      • To help others and provide things
      • Noun (Countable/Uncountable)
      • Action of giving help to others
      • Money or help given to those who need it
      A2TOEIC
      More
    • aircraft

      US /ˈɛrˌkræft/

      UK /ˈɛəkrɑ:ft/

      • Countable Noun
      • Vehicle that can fly
      C2TOEIC
      More
    • analysis

      US /əˈnælɪsɪs/

      UK /əˈnæləsɪs/

      • Uncountable Noun
      • Careful study to better understand something
      B1TOEIC
      More
    • analyze

      US /ˈænəˌlaɪz/

      UK /'ænəlaɪz/

      • Transitive Verb
      • To study carefully to find out the meaning of
      B1TOEIC
      More
    • animation

      US /ˌænəˈmeʃən/

      UK /ˌænɪˈmeɪʃn/

      • Uncountable Noun
      • The process of creating moving images using drawings, computer graphics, or other techniques.
      • Liveliness or energy in behavior or expression.
      B2
      More
    • armor

      US /ˈɑrmɚ/

      UK /'ɑ:mə/

      • Noun
      • Defensive (e.g. metal) covering for bodies, things
      • Transitive Verb
      • To cover something in metal to protect it
      C1
      More
    • as a result of

      US

      UK

      • Phrase
      • Because of something; owing to.
      A1
      More
    • bias

      US /ˈbaɪəs/

      UK /'baɪəs/

      • Noun (Countable/Uncountable)
      • Preference to believe things even if incorrect
      • A systematic error in a statistical result
      • Transitive Verb
      • To unfairly favor one view over another
      • To cause someone to have prejudice
      B1TOEIC
      More
    • brilliant

      US /ˈbrɪljənt/

      UK /'brɪlɪənt/

      • Adjective
      • Having a great amount of intelligence or talent
      • Being very bright, like a diamond; shining
      • Noun
      • A diamond or other gem cut in a particular form with many facets to have exceptional brilliance.
      A2
      More
    • bullet

      US /ˈbʊlɪt/

      UK /'bʊlɪt/

      • Countable Noun
      • Metal object fired from a gun
      • Dot at the beginning of each line in a list
      • Adjective
      • Very fast.
      B1
      More
    • cartoon

      US /kɑrˈtun/

      UK /kɑ:'tu:n/

      • Noun (Countable/Uncountable)
      • Drawing or illustration meant to make you laugh
      • (Children's) TV show made of moving drawings
      B1
      More
    • check out

      US /tʃɛk aʊt/

      UK /tʃek aut/

      • Phrase
      • Phrasal Verb
      • To find out information about something
      • To take books out of a library
      A1
      More
    • community

      US /kəˈmjunɪti/

      UK /kə'mju:nətɪ/

      • Noun (Countable/Uncountable)
      • Group of people who share a common idea or area
      • A feeling of fellowship with others, as a result of sharing common attitudes, interests, and goals.
      • Adjective
      • Relating to or shared by the people in a particular area.
      • Shared or participated in by all members of a group
      A2
      More
    • competitive

      US /kəmˈpɛtɪtɪv/

      UK /kəmˈpetətɪv/

      • Adjective
      • Being strongly driven to win or be better than
      • As good as or better than others.
      B1
      More
    • complicate

      US /ˈkɑ:mplɪkeɪt/

      UK /ˈkɒmplɪkeɪt/

      • Transitive Verb
      • To make more difficult to do, understand or use
      B1
      More
    • concentrate

      US /ˈkɑnsənˌtret/

      UK /'kɒnsntreɪt/

      • Verb (Transitive/Intransitive)
      • To cause to be present in large amount or number
      • To pay great attention to a task; focus
      • Noun (Countable/Uncountable)
      • A substance made by removing water or other diluents; a concentrated form of something.
      A2
      More
    • conclusion

      US /kənˈkluʒən/

      UK /kənˈklu:ʒn/

      • Noun
      • End of something; finish
      • Judgment or opinion after thinking for a while
      A2
      More
    • correct

      US /kəˈrɛkt/

      UK /kə'rekt/

      • Adjective
      • Being suitable and appropriate for an occasion
      • True or accurate
      • Transitive Verb
      • To fix a problem
      • To write marks on a piece of work to show mistakes
      A2
      More
    • datum

      US /ˈdetəm, ˈdætəm, ˈdɑtəm/

      UK /ˈdeɪtəm/

      • Noun
      • Item of factual information
      B1
      More
    • due to

      US /du tu/

      UK /dju: tu:/

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

      US /iˈliːt/

      UK /iˈliːt/

      • Noun (Countable/Uncountable)
      • The richest, most powerful, best-educated, or best-trained group in a society
      • A person of the elite class.
      • Adjective
      • Belonging to the richest, most powerful, best-educated, or best-trained group in a society
      B2
      More
    • favor

      US /ˈfevɚ/

      UK /'feɪvə/

      • Noun
      • Support or approval from people
      • Small gift given out at a party
      • Transitive Verb
      • To prefer or promote over another
      A2
      More
    • flee

      US /fli/

      UK /fli:/

      • Intransitive Verb
      • To leave somewhere urgently, to avoid danger
      B1
      More
    • found out

      US

      UK

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

      US /ɪn ˈfevɚ ʌv/

      UK /in ˈfeivə ɔv/

      • Phrase
      • Preposition
      • Supporting or approving of something.
      A2
      More
    • institution

      US /ˌɪnstɪˈtuʃən, -ˈtju-/

      UK /ˌɪnstɪˈtju:ʃn/

      • Noun (Countable/Uncountable)
      • Organization created for a particular aim/purpose
      • Tradition, custom or system accepted by a group
      A2TOEIC
      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
    • mission

      US /ˈmɪʃən/

      UK /'mɪʃn/

      • Noun (Countable/Uncountable)
      • A task or role someone is given to do
      • Special assignment given to a person or group
      B1TOEIC
      More
    • occur

      US /əˈkɚ/

      UK /əˈkɜ:(r)/

      • Intransitive Verb
      • To come to pass or to happen
      • To be found to exist; to be present.
      A2TOEIC
      More
    • on earth

      US /ɑn ɚθ/

      UK /ɔn ə:θ/

      • Phrase
      • Used to emphasize a question expressing surprise or anger.
      • Used to emphasize that something is not possible or will not happen.
      A1
      More
    • optimal

      US /ˈɑptəməl/

      UK /ˈɒptɪməl/

      • Adjective
      • Best or most desirable; best possible
      • Most conducive to a favorable outcome.
      B2
      More
    • paradox

      US /ˈpærəˌdɑks/

      UK /'pærədɒks/

      • Noun
      • Surprising statement containing two opposing ideas
      B2
      More
    • persecute

      US /ˈpɜ:rsɪkju:t/

      UK /ˈpɜ:sɪkju:t/

      • Transitive Verb
      • To ill-treat, oppress or harass, as for religion
      C1
      More
    • phenomenon

      US /fɪˈnɑməˌnɑn, -nən/

      UK /fə'nɒmɪnən/

      • Noun (Countable/Uncountable)
      • Unusual event, fact that can be studied
      • Interesting or unusual person, group
      B1
      More
    • research

      US /rɪˈsɚtʃ, ˈriˌsɚtʃ/

      UK /rɪ'sɜ:tʃ/

      • Verb (Transitive/Intransitive)
      • To study in order to discover new ideas and facts
      • To study the market relating to marketing products and services.
      • Noun (Countable/Uncountable)
      • Study done to discover new ideas and facts
      • A particular area or topic of study.
      A2TOEIC
      More
    • result

      US /rɪˈzʌlt/

      UK /rɪ'zʌlt/

      • Noun
      • Something produced through tests or experiments
      • Final score of a competition, election or game
      • Intransitive Verb
      • To be the outcome of other causes and effects
      • To happen or exist as a consequence of something.
      A2
      More
    • significant

      US /sɪɡˈnɪfɪkənt/

      UK /sɪgˈnɪfɪkənt/

      • Adjective
      • Large enough to be noticed or have an effect
      • Having meaning; important; noticeable
      A2TOEIC
      More
    • statistical

      US /stəˈtɪstɪkəl/

      UK /stə'tɪstɪkl/

      • Adjective
      • Concerning the math of data
      B1
      More
    • tank

      US /tæŋk/

      UK /tæŋk/

      • Noun (Countable/Uncountable)
      • Container for holding liquid or gas
      • Military vehicle that can go over rough areas
      • Intransitive Verb
      • To fail completely or badly
      • To deliberately lose a game or contest
      B1
      More
    • technically

      US /ˈtɛknɪkl:ɪ/

      UK /ˈteknɪkli/

      • Adverb
      • In an exact and particular manner
      • With technical skill or expertise.
      A2
      More
    • trend

      US /trɛnd/

      UK /trend/

      • Noun (Countable/Uncountable)
      • Current style or fashion
      • General direction that is taken
      • Intransitive Verb
      • To be current and popular
      • To move up or down
      A2
      More
    • unbiased

      US /ʌnˈbaɪəst/

      UK /ʌnˈbaɪəst/

      • Adjective
      • Without prejudice; giving a fair assessment
      B1TOEIC
      More
    • unexpected

      US /ˌʌnɪkˈspektɪd/

      UK /ˌʌnɪkˈspektɪd/

      • Adjective
      • Surprising because it was not expected
      • Noun
      • An event or occurrence that was not anticipated.
      B2
      More
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    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.

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    brave

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

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    B1
    #bias#data#selection#armor#representative#missing

    Selection Bias: Are Hospitals Really That Dangerous?

    0
    林宜悉 posted on 2025/07/29
    Ever wondered if hospitals are actually dangerous? This video dives into the fascinating concept of selection bias, using the incredible story of Abraham Wald to explain how statistics can sometimes fool us! You'll pick up some advanced vocabulary and sharpen your statistical reasoning skills with this engaging explainer.

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