很多说法是约定俗成的。
Hěn duō shuōfǎ shì yuēdìng-súchéng de.
English
Many sayings are fixed by usage.
established by popular usage
established by popular usage (idiom); common usage agreement; customary convention
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
很多说法是约定俗成的。
Hěn duō shuōfǎ shì yuēdìng-súchéng de.
Many sayings are fixed by usage.
这个用法约定俗成了吗?
Zhège yòngfǎ yuēdìng-súchéng le ma?
Has this usage become customary?
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.