pí qi
她的脾气很好，从来不急躁。
tā de píqi hěn hǎo, cónglái bù jízào.
She has a very good temper and is never impatient.
发脾气
fā píqi
to lose one's temper; to get angry
这个人有脾气。
zhège rén yǒu píqi
This person has a temper.