Cách sử dụng
The expression "hot under the collar" means to be angry, frustrated or upset about something. It usually refers to someone who is visibly uncomfortable or agitated due to an unpleasant situation. You can use this expression to describe someone who is angry or upset, like when they are arguing with someone or when someone did something wrong to them. For example, "She was hot under the collar when her colleague took credit for her work."