My disastrous exam results dealt the coup de grace to my university career.

我考试考得一塌糊涂，这就断送了我的大学生涯。

牛津词典

Irving Kristol delivered the coup de grace in a letter dated June 12: they had decided to reject the proposal.

欧文·克里斯托尔在6月12日的一封信中发出了最后一击：他们已经决定驳回该提议。

柯林斯高阶英语词典

Winter paused for dramatic effect before delivering the coup de grace.

为了增加戏剧性效果,温特停顿了一下,然后才给以致命的一击.

期刊摘选

Coup de Grace: Coup de grace weapons are exceptionally dangerous.

夺命: 夺命武器异常危险.

期刊摘选

Poor exam results dealt the coup de grace to his hopes of staying on at university.

他考试成绩不好,继续念大学的希望一下子破灭了.

期刊摘选

Irving Kristol delivered the coup de grace in a letter dated June 12: they had decided to reject the proposal.

欧文·克里斯托尔在6月12日的一封信中发出了最后一击：他们已经决定驳回该提议。

柯林斯例句