约定俗成 (約定俗成) yuēdìng sú chéng

yuēdìng sú chéng phrase established by popular usage; common usage agreement; customary convention
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '約定俗成'; Guoyu '約定俗成')

Word is mentioned most frequently in

Truncated for common words