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English definition of “mustn't grumble”

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mustn't grumble

UK humorous
something you say to mean that your life is not bad and that you should not complain about it: "How's it going then, Mike?" "Oh, not too bad. Mustn't grumble."
Translations of “mustn't grumble”
in Chinese (Traditional) 沒有甚麼好抱怨的, 日子過得還不錯…
in Chinese (Simplified) 没有什么好抱怨的, 日子过得还不错…
(Definition of mustn't grumble from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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