mean streak 壞脾氣
英文釋義
A personal tendency towards cruel or malicious behavior that appears occasionally.
例句
Our boss has a mean streak, and under pressure he will sometimes shout at people and treat them unfairly, but usually he's a calm and reasonable man.
我們的老板脾氣不好,有時在壓力之下沖員工吼叫,不公平地對待他們,但一般情況下,他是位冷靜和理智的人。