a weak point or fault in somebody’s character, which can be attacked by other people命门；死穴；致命弱点- The desire for publicity became her Achilles heel.宣传的欲望成为了她的致命弱点。
- The enemy had an Achilles heel somewhere, if only he could find it.敌人只有在他能找到的地方才有致命弱点。
compare Achilles tendonMore Like This Expressions from history and legendExpressions from history and legend Word OriginNamed after the Greek hero Achilles. When he was a small child, his mother held him below the surface of the river Styx to protect him against any injury. She held him by his heel, which therefore was not touched by the water. Achilles died after being wounded by an arrow in the heel.