他很理智。
He is rational.
reason; intellect; rationality
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.
他很理智。
He is rational.
头脑要理智。
Keep a cool head.