Question
He's extremely intelligent, but his inability to speak
in public is his Achilles heel . Directions (Q.1-20): In each question, four alternatives are given for the Idiom / Phrase underlined in the sentence. Choose the alternative which best expresses the meaning of the Idiom / Phrase and mark it in the Answer Sheet.Solution
This expression refers to a vulnerable area or a weak spot, in an otherwise strong situation, that could cause one's downfall or failure.
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