他很懂规矩。
He knows the rules well.
规矩
lit. compass and set square; fig. established standard; rule
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
规
矩
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
See it in sentences
这是老规矩。
This is the old rule.