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to knock out
[phrase form: knock]
01
击倒, 使失去知觉
to make someone or something unconscious
Transitive: to knock out sb/sth
1.1
击倒, 让...失去知觉
to defeat an opponent in boxing by making them fall unconscious or unable to get up
02
淘汰 , 击败
to defeat someone or a group decisively in a competition
Transitive: to knock out a competitor
03
击垮, 破坏
to forcefully destroy or break something
Transitive: to knock out sth
04
清空, 移除
to empty, typically referring to the removal of tobacco from a container
Transitive: to knock out tobacco or ash
05
惊艳, 震惊
to amaze someone to the point where they are filled with admiration or wonder
Transitive: to knock out sb
06
快速完成, 高效地完成
to finish a task, often quickly and efficiently
Transitive: to knock out a task
07
敲击, 以节奏敲击
to convey a message by making specific knocking sounds or patterns
Transitive: to knock out a message
08
让......入睡, 让......昏过去
to cause someone to fall asleep
Transitive: to knock out sb
09
消除, 去除
to remove something, often swiftly and completely
Transitive: to knock out sth
to knock oneself out
01
to exert a great deal of effort or energy
knock yourself out
01
used to say that someone can do as they please
Idiom
InformalWhat is the origin of the idiom "knock yourself out" and when to use it?
The origin of the idiom "knock yourself out"is not well-documented, but it has been in common use for many years as a friendly way to grant permission or encouragement. It likely developed as a figurative way to encourage someone to enjoy an activity to the fullest without worrying about restrictions or limitations. This phrase is now commonly used to grant permission or express encouragement in a friendly and informal manner.
knock out
v
例子
The sudden impact of the car crash could knock out the driver.
After smoking, he would always knock out the ashes from his pipe.
With the right tools, he can knock out home repairs in no time.
To enter the club, you have to knock out a specific rhythm on the door.
During the blackout, they had to knock out a signal to confirm their presence.
