(Mitoloji) bir şeyin zayıf noktası (mitolojide achilles ancak topuğundan vurulunca ölebiliyormuş.Bu sebepten dolayı bir şeyin ya da insanın zayıf noktası "achilles heel" olarak nitelendiriliyor.)
Английский Язык - Английский Язык
Определение achilles' heel в Английский Язык Английский Язык словарь
a weak part of someone's character, which could cause them to fail at something (From the story that the ancient Greek hero Achilles was dipped as a baby into the river Styx to protect him, but the part of his heel he was held by did not get wet, and so remained unprotected)
Someone's Achilles heel is the weakest point in their character or nature, where it is easiest for other people to attack or criticize them. Horton's Achilles heel was that he could not delegate