Cách sử dụng
The expression "be no laughing matter" means that something is not funny and should be taken seriously. It is often used to emphasize that a situation is important or potentially dangerous, and people should not treat it as a joke. For example, if someone says "Cancer is no laughing matter," they are suggesting that cancer is a serious and potentially deadly disease that should not be taken lightly. The expression can be used in many different situations, from health concerns to financial problems, to stress the importance of taking something seriously.