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'
Achilles的用法和样例:
例句
He would have made a good pilot but his drinking habit was his Achilles’ heel. 他本来会成为一名很好的飞行员,不过他的饮酒习惯却成了他的致命弱点。