他的性子很急。
He has an impatient temperament.
nature; character; property
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.
他的性子很急。
He has an impatient temperament.
这种药性很强。
This medicine has a strong effect.