achilles heel
致命弱點;要害部位
書面語·比喻·形容致命弱點
英文釋義
a weakness or vulnerable point
例句
His temper is his achilles heel in negotiations.
典故來源
源自希臘神話,英雄阿喀琉斯被母親握住腳踵浸入冥河,全身刀槍不入,唯腳踵是致命弱點。