to knock
01
敲, 打
to hit a door, surface, etc. in a way to attract attention, especially expecting it to be opened
Intransitive: to knock on a surface
语法信息
形态构成
简单词
动作动词
规则
现在时
knock
第三人称单数
knocks
现在分词
knocking
一般过去时
knocked
过去分词
knocked
例子
She had to knock on the door to announce her arrival.
她不得不敲门来宣布她的到来。
02
敲, 撞
to hit or strike with force, often accidentally
Transitive: to knock sth against | to knock sth on sth
例子
The child knocked his knee against the edge of the coffee table.
孩子把膝盖撞到了咖啡桌的边缘。
03
敲, 撞倒
to hit an object with enough intensity to cause it to shift or topple
Transitive: to knock sth somewhere
例子
He knocked the glass off the table accidentally.
他不小心把玻璃杯从桌子上碰掉了。
04
敲, 打
to strike something with force, resulting in a sharp, audible sound
Transitive: to knock sb/sth somewhere
例子
She knocked the nail into the wall with a hammer.
她用锤子把钉子敲进了墙里。
05
批评, 指责
to express disapproval or point out shortcomings in someone or something
Transitive: to knock sth
例子
The film critic knocked the movie for its lack of character development.
电影评论家批评这部电影缺乏角色发展。
06
敲击, 爆震
(of an engine) produce a sharp, metallic noise caused by the premature or uneven ignition of the air-fuel mixture
Intransitive
例子
The engine started to knock loudly after using low-quality fuel.
使用低质量燃油后，发动机开始大声敲击。
07
怦怦跳, 剧烈跳动
(of the heart or body) to beat or shake hard, often from fear, excitement, or nervousness
例子
My heart was knocking as I waited for the results.
等待结果时，我的心怦怦直跳。
Knock
01
敲击声, 敲门声
the sound of knocking (as on a door or in an engine or bearing)
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
knocks
02
批评, 指责
negative criticism
03
敲打, 撞击
the act of hitting vigorously
04
敲打, 打击
a vigorous blow
05
打击, 糟糕的经历
a bad experience
