- (abbreviation KO)
(in boxing )拳击运动 a hard hit that makes an opponent fall to the ground and be unable to get up, so that he or she loses the fight 击败对手的一击;击倒对手获胜 The match ended in knockout in the fifth round. 这场比赛在第五轮中以淘汰赛结束。 Sanchez won by a second-round knockout. 桑切斯在第二轮淘汰赛中获胜。
- (informal)
a person or thing that is very attractive or impressive 引人注目(或给人留下深刻印象的)的人(或物) She’s an absolute knockout. 她漂亮极了。