名詞 achilles:

1. a mythical Greek hero of the Iliad; a foremost Greek warrior at the siege of Troy; when he was a baby his mother tried to make him immortal by bathing him in a magical river but the heel by which she held him remained vulnerable--his `Achilles' heel'

1. He would have made a good pilot but his drinking habit was his Achilles’ heel.
   他本來會成為一名很好的飛行員，不過他的飲酒習慣卻成了他的致命弱點。
2. His Achilles' heel was his pride.
   他的致命傷就是驕傲自大。