" Both politicians got hot under the collar and insulted each other."

政客们恼怒了并互相辱骂对方。

To get 'hot under the collar' means to become very annoyed or angry about something.

" get hot under the collar" 就是指因为某件事很生气、很恼火。

Lane rage! Where swimmers get hot under the collar when there’s a slow swimmer in the fast lane.

泳道愤怒！当那些速度较慢的泳者在快速泳道上游泳时，那里游泳的人就该恼怒了。

We say he is hot under the collar. You could say that your friend is no hothead. But he got hot under the collar when someone took his radio.

我们会说他hot under the collar(怒气冲冲)，你可以说朋友不容易发火，但有人拿走他的收音机他就会怒气冲冲。