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English definition of “know which side your bread is buttered (on)”

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know which side your bread is buttered (on)

informal
to know who to be nice to and what to do in order to get an advantage for yourself
Translations of “know which side your bread is buttered (on)”
in Chinese (Traditional) 明白自已的利益所在,善為個人利益謀算 。…
in Chinese (Simplified) 明白自已的利益所在,善为个人利益谋算…
(Definition of know which side your bread is buttered (on) from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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