约定俗成約定俗成

yuē dìng sú chéng

HSK 等级: HSK 7–9

释义

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

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汉字

约yuētreaty, covenant, agreement纟勺定dìngto decide, to fix, to settle; to order; definite, fixed, sure宀疋俗súsocial customs; vulgar, unrefined亻谷成chéngto accomplish; to become; to complete, to finish; to succeed丁戈