Cách sử dụng
The expression "catch somebody red-handed" means to catch someone in the act of doing something wrong or illegal. The phrase comes from the idea that someone's hands would be stained or "red" from committing a crime, such as stealing or vandalism. This expression is commonly used in situations where someone is caught in the act of doing something they shouldn't be doing, and it implies that the evidence against them is clear and indisputable. For example, if someone is caught stealing from a store, they can be said to have been caught "red-handed".