deathblow

名词 deathblow:

1. the blow that kills (usually mercifully)
   同义词：coup de grace

death.blow

n.（名词）
A stroke or blow that causes death.
致命的一击
A destructive event or occurrence:
毁灭性的事件：
例句：
dealt a deathblow to our hopes.
使我们的希望化为泡影