他很讲道理。
He is reasonable.
texture; grain (of wood); inner essence
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.
他很讲道理。
He is reasonable.
他的理由很充分。
His reason is sufficient.