Seeing the opponent was off guarded, the boxer landed a knockout punch.

乘对手不提防，那拳击手一下子把他击倒了。

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For many companies, the combination has delivered a knockout punch and they're down for the count.

对于许多公司来说，合并带来了一个毁灭性的打击下，他们正在为计数。

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Nearby towns that were built around NASA's programs-cape Canaveral, Cocoa Beach, titusville-are already in a defensive crouch, like wobbly boxers waiting for a knockout punch.

为美国宇航局计划而建造的附近城镇- - -卡纳维拉尔角，可可海滩，泰特斯维尔——已经处于防御性收缩，就像一个摇摆的拳击手等着击倒的重拳。

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He says very few fights end with a knockout punch, which is far more harmful than an unsightly laceration.

NPR: Mixed Martial Arts: Sport or Spectacle?

Honours even then in the verbal sparring stakes with neither boxer landing a knockout punch but expect more fireworks when the fighters square up for real in the ring next month.

BBC: Rogan and Harrison trade verbals

Neither candidate landed a knockout punch.

CNN: latimes.com: In many voters' minds, debate fails in the drama department