名词
1. (拳击比赛中)击倒对手获胜
In boxing, a knockout is a situation in which a boxer wins the fight by making his opponent fall to the ground and be unable to stand up before the referee has counted to ten.
2. 毁灭性的
A knockout blow is an action or event that completely defeats an opponent.
3. (比赛)淘汰制的
A knockout competition is one in which the players or teams that win continue playing until there is only one winner left.