knock

其他意思

1. n. 敲, 敲打, 敲門

   If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.

   • I can remember it feeling a real knock to my self-confidence that they said I wasn't academically up to being a teacher

2. v. 敲擊, 互撞, 攻擊

   If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.

   • She went directly to Simon's apartment and knocked on the door