knock oneself out
делать значительное усилие
"Don't try to knock yourself out for you are not able to fulfill this task."
Другие идиомы:
- knock some heads together
- knock (someone) around
- knock off work
- knock (someone's) block off
- knock about
- knock-down-drag-out fight
- knock (someone) off
- Knock it off!
- knock (someone or something) out
- knock down the price of (something)
- knock (something) off
- knock the props out from under (someone)
- knock (someone) off their feet
- knock on wood
- knock one's head against the wall