Cách sử dụng
The expression "not be up to much" means that something or someone is not very good, impressive, or satisfactory. It is typically used to express disappointment, criticism or dissatisfaction. For example, if someone asks you about a movie you watched and you respond by saying, "It wasn't up to much," it means that you didn't enjoy it or think it was good. Similarly, if you meet someone who is not very impressive, you could say, "He or she isn't up to much."