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English definition of “Achilles heel”

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Achilles heel

noun [C usually singular] uk   /əˌkɪl.iːzˈhiːl/ us  
a small problem or weakness in a person or system that can result in failure: Maths has always been my Achilles heel.
Translations of “Achilles heel”
in Chinese (Traditional) 阿喀琉斯的腳踵,致命弱點,致命傷…
in Chinese (Simplified) 阿喀琉斯的脚踵,致命弱点,致命伤…
(Definition of Achilles heel from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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