an ace up your sleeve definition, meaning - what is an ace up your sleeve in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “an ace up your sleeve”

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an ace up your sleeve

(US also an ace in the hole)
secret knowledge or a secret skill that will give you an advantage
Translations of “an ace up your sleeve”
in Chinese (Traditional) 秘密王牌, 錦囊妙計…
in Chinese (Simplified) 秘密王牌, 锦囊妙计…
(Definition of an ace up your sleeve from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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