Cách sử dụng
The expression "fall flat on your face" means to fail or make a mistake in a very obvious and embarrassing way. For example, if someone tries to do a backflip but ends up landing on their stomach, they have fallen flat on their face. This expression can be used in many situations, such as when someone is trying to impress others or is taking a risk that doesn't pay off. It is important to remember that this expression is meant to be humorous and is not meant to be taken too seriously.