1. His new girlfriend is a real knockout.
    他的新女友实在很动人。

2. The fight was won by a knockout.
    这场拳击以一击将对方打倒而获胜。

1. 敲出：于是他们提出了一系列由上述数据所不能说明的问题,例如:基因表达的产物是否出现与何时出现,基因表达产物的浓度是多少;是否存在翻译后的修饰过程,若存在是如何修饰的;基因敲出(knockout)或基因过度表达的影响是什么;多基因的表现型如何,

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.

    e.g. He delivered a knockout blow to all of his rivals.
           他给所有对手以致命一击。

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.

    e.g. ...the European Cup, a knockout competition between the top teams in Europe.
           欧洲杯足球赛，一场欧洲顶级强队间的淘汰赛

4. 迷人（或给人深刻印象）的人（或物）
    If you describe someone or something as a knockout, you think that they are extremely attractive or impressive.

    e.g. She was a knockout in navy and scarlet...
           她身着藏青色和鲜红色相间的衣服，十分迷人。
    e.g. The first story is a knockout.
           第一个故事让人印象深刻。

1. a blow that renders the opponent unconscious

    Synonym: KOkayo

2. a very attractive or seductive looking woman

    Synonym: smasherstunnerbeautyravishersweetheartpeachlululookermantrapdish

1. very strong or vigorous

    e.g. strong winds
           a hard left to the chin
           a knockout punch
           a severe blow

    Synonym: hardsevere