once in a blue moon Meaning in Cambridge Learner Dictionary
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Meaning of "once in a blue moon" - Learner English Dictionary

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once in a blue moon

rarely: We only go out once in a blue moon.Rarely and infrequently
Translations of “once in a blue moon”
in Chinese (Traditional) 少有地…
in Russian раз в год по обещанию, очень редко…
in Turkish ayda yılda bir, kırk yılda bir, (argo) ölme eşeğim ölme…
in Chinese (Simplified) 少有地…
in Polish raz na ruski rok…
(Definition of once in a blue moon from the Cambridge Learners Dictionary © Cambridge University Press)
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