HSK 7–9 · Practice
约定俗成
established by popular usage; customary by convention
这个词的用法是约定俗成的，大家都这样说。
Zhège cí de yòngfǎ shì yuēdìng-súchéng de， dàjiā dōu zhèyàng shuō。
The usage of this word is established by custom; everyone says it this way.
HSK 7–9 · Practice
established by popular usage; customary by convention
这个词的用法是约定俗成的，大家都这样说。
Zhège cí de yòngfǎ shì yuēdìng-súchéng de， dàjiā dōu zhèyàng shuō。
The usage of this word is established by custom; everyone says it this way.