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tough
US /tʌf/
・
UK /tʌf/
- Adjective
- (Of food) difficult to chew or bite through
- Very difficult to do or deal with
- Noun
- A rough and aggressive person.
A2
More trigger
US /ˈtrɪɡɚ/
・
UK /'trɪɡə(r)/
- Noun
- Lever on a gun that you pull to fire
- Device that starts a process
- Transitive Verb
- To start a process off e.g. a memory
- To cause something to begin or happen.
B1
More sustainable
US /səˈsteɪnəbl/
・
UK /səˈsteɪnəbl/
- Adjective
- Capable of continuing for a long time
- Able to be maintained without running out of
B2
More Use Energy
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