Cách sử dụng
The expression "let somebody have it" means to give someone a strong criticism or a punishment. It is usually used when someone has done something wrong or offensive. For example, if someone has been rude to you, you might say "I'm going to let them have it" meaning you're going to tell them off or scold them strongly. It can also mean to physically hit or attack someone, but this usage is considered more informal and violent.