他精通三种语言。
He masters three languages.
to be proficient in; to master (a subject)
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他精通三种语言。
He masters three languages.
他精通围棋。
He is a master of Go.