约定俗成

yuēdìngsúchéng

established (or sanctioned) by popular usage; accepted through common practice

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established by usage

【法】 sanctioned by usage

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established by usage

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yue1 ding4 su2 cheng2

established by popular usage (idiom); common usage agreement, customary convention

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约定俗成

yuē dìng sú chéng

established by the people through long social practice; An agreement has become a practice.; accepted due to customs; accepted through common practice; established by usage; the common run of mankind

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約定俗成|约定俗成 [yuē dìng sú chéng] ► established by popular usage (idiom); common usage agreement ► customary convention