他脑子很灵活。
His mind is quick.
brains; mind
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.
他脑子很灵活。
His mind is quick.
动动脑子再回答。
Think before you answer.