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Home / Idiom / 约定俗成

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

约定俗成
yuè dìng sú chéng
IdiomHSK 7-9
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Synonyms
Synonyms
to have become common practice (idiom) · to become a general trend蔚然成风wèi rán chéng fēngwell established · accepted as a result of long usage相沿成习xiāng yán chéng xí
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