他们互相勾结。
They collude with each other.
勾结
to collude with; to collaborate with; to gang up with
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.
勾
结
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
勾结外人是错的。
Colluding with outsiders is wrong.