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English definition of “not have a clue”

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not have a clue

informal
B2 to be completely unable to guess, understand, or deal with something: "Who invented algebra?" "I haven't a clue." Don't ask your father which key to press - he hasn't got a clue about computers.
Translations of “not have a clue”
in Chinese (Traditional) 毫無頭緒, 毫不理解, 一無所知…
in Chinese (Simplified) 毫无头绪, 毫不理解, 一无所知…
(Definition of not have a clue from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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