knock yourself out
US /nɑk jərˈsɛlf aʊt/
UK /nɑk jərˈsɛlf aʊt/
1.
마음대로 해, 원하는 대로 해
used to tell someone that they can do something if they want to, even if you think it is not a good idea or will not be successful
:
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You want to try to fix the car yourself? Sure, knock yourself out!
네가 직접 차를 고치고 싶다고? 그래, 마음대로 해!
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If you think you can finish all that work by yourself, knock yourself out.
그 일을 혼자 다 끝낼 수 있다고 생각한다면, 마음대로 해.