have a black dog on the shoulder

• 脾气暴躁；容易发火

have a black dog on the shoulder的用法和样例：

例句

1. He has a violent temper,but he holds it down.
   他脾气暴躁，但他加以控制。
2. Sometimes we need to humor a tempersome man.
   有时，我们需要迁就脾气暴躁的人。