He readily admitted to the interviewer that he had a quick temper, with a tendency toward violence.

他欣然向采访者承认他性情暴躁，有暴力倾向。

A quick temper is my weak point.

性子急是我的缺点。

I have a very quick temper!

我的脾气很急啦！

He has a quick temper.

他是一个急脾气。

He has a quick temper.

他脾气暴躁。