knock off
A: 一蹴而就
B: 敲门
C: 敲头
D: 敲掉
A: 一蹴而就
B: 敲门
C: 敲头
D: 敲掉
举一反三
- knock at/on 敲knock into 撞到某人身上knock down 撞倒knock out of 把…敲出knock over 撞倒knock off 停止工作，休息1) The boxer soon knocked his opponent ________ __.2) The office stuff knocks _________ ___ at six every day.3) Try knocking __________ ___ the window and see if there is anyone indoors.4) He was so absorbed in his book that he knocked __________ _____ the car parked there.
- 进办公室前敲门时,要敲______下。 A: 一 B: 两 C: 三
- 敲门礼节：敲（）下。
- 幸福来敲门的英文名 A: The Pursuit of Happiness B: The Pursuit of Happyness C: The Knock of Happiness
- 中国大学MOOC: “Knock off early” means ( ).