一日一成语【243】to be hot under the collar 发怒

to be hot under the collar
[俚]发怒

Don’t be hot under the collar. Think about it carefully, and you will find that she has done nothing wrong.
不要发火，好好想想，你会发现她没做错什么。

注解：
hot意指烫的，under意指在下面，collar意指衣领；to be hot under the collar系指衣领下部灼热，喻指因生气而脸红脖子粗，怒气冲天。