約
定
俗
成
約
定
俗
成
Definitions4 charactersestablished popular (idiom); agreement/customary convention
Usage•••frequent
Pronunciations
約
定
俗
成
As word
1established by popular usage (idiom); common usage agreement/customary convention
2established by popular usage (idiom); common usage agreement/customary convention
3established by popular usage (idiom); common usage agreement/customary convention
4established by popular usage (idiom); common usage agreement/customary convention