knock
🇺🇸
/nɑːk/
🇬🇧
/nɒk/
verb
A2
to hit a door to get someone's attention
Please knock before entering the room.
进入房间前请先敲门。
B1
to hit something hard by accident
I didn't mean to knock the cup off the table.
我不是故意把杯子从桌子上碰掉的。
B1
to hit something to move or break it
The children knock the ball back and forth.
孩子们把球打来打去。
R
to hit someone or something into a state
The punch will knock him out cold.
这一拳会把他打晕。
R
to make a hole by hitting hard
They had to knock a hole in the wall for the pipe.
他们不得不在墙上凿个洞来安装管道。
R
to beat hard or shake from fear
My heart began to knock when I heard the noise.
听到那声音时，我的心开始怦怦直跳。
R
to make a regular metal hitting sound
The old engine began to knock loudly.
旧发动机开始发出很大的敲击声。
R
to criticize unfairly
Some people always knock new ideas without trying them.
有些人总是不尝试就批评新想法。
noun
B1
the sound of hitting a door to get attention
I heard a loud knock at the door.
我听到一声响亮的敲门声。
B1
a hard hit from something
The knock on his head made him dizzy.
他头上的重击让他头晕。
R
a bad experience that reduces confidence
Losing the game was a real knock to his pride.
输掉比赛对他的自尊心是一个真正的打击。
translation
敲门, 撞到, 敲打, 击倒, 敲破, （心脏）砰砰跳, 发出敲击声, 批评
敲门声, 敲击, 挫折
词形变化
3rd Present
knocks
Progressive
knocking
Past
knocked
Perfect
knocked
Plural
knocks