They knocked off $60 because of a scratch.

因为有擦痕他们将价格降了60元。

《牛津词典》

They knocked down the suggestion.

他们把这条建议否决了。

youdao

They knocked together a rough box with wooden boards.

他们用木板草草地做成了一个粗糙的箱子。

youdao

They knocked on the door and said they had come to arrest him.

VOA: special.2009.10.22

In the case of Nimes, N-I-M-E-S, which was largely a Protestant town, they knocked down the wall so the Protestants of Nimes could not defend themselves against this all-conquering Catholic monarch.

以尼姆为例,那儿曾经是一座新教徒的城市,但统治者们拆毁了围墙,所以新教徒们再也无法对抗,所向无敌的天主教统治者了

耶鲁公开课 - 欧洲文明课程节选

They knocked it down and built a new one over here...

他们拆毁了它，然后在另一边新建了一个……

关于布朗克斯 - SpeakingMax英语口语达人

They knocked down the wall to a second rental home and created the compound they use today.

NPR: Circus Brings Joy, Focus to Afghan Children

Police officers drove to Davidson C, but there was no reply when they knocked at Room 30.

NEWYORKER: The Story of a Suicide

They knocked me out to sew up my scalp and when I woke up, I threw up.

CNN: 'I had brain surgery while I was awake'