butter wouldn't melt in sb's mouth Meaning in the Cambridge English Dictionary
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Meaning of “butter wouldn't melt in sb's mouth” in the English Dictionary

"butter wouldn't melt in sb's mouth" in British English

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butter wouldn't melt in sb's mouth

used when someone ​looks as if they would never do anything ​wrong, ​although you ​feel they might: Tommy ​looked as if butter wouldn't ​melt in his ​mouth.
(Definition of butter wouldn't melt in sb's mouth from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “butter wouldn't melt in sb's mouth”
in Chinese (Simplified) (某人)装老实相…
in Turkish masummuş gibi görünmek, kendini çok iyi gizleyebilmek…
in Russian выглядеть тихоней…
in Chinese (Traditional) (某人)裝老實相…
in Polish ktoś by muchy nie tknął, ktoś ma minę niewiniątka…
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