英语单词：Achilles’ heel

中文含义：致命弱点、致命之处

英语词性：noun

美式发音：əˈkɪliz hiːl

同义词：vulnerability, weak spot, downfall

易混淆单词：Achilles tendon（跟腱）

双语例句：

1. His overconfidence proved to be his Achilles’ heel and cost him the game. (他的自信过度成为了他的致命之处，最终让他输掉了比赛。)

2. Lack of funds has always been the Achilles’ heel of our business operations. (资金不足一直是我们业务运营的致命弱点。)