Cách sử dụng
The expression "what for?" is used when you want to know the reason or purpose behind something. It's similar to asking "why?" but more specifically asks for the reason for doing or saying something. You can use this expression when you are confused or need further clarification about someone's actions or words. For example, if someone asks you to clean the entire house, you may ask "what for?" to understand the reason behind the request. It can also be used when something seems unnecessary or pointless. Overall, "what for?" is a useful expression to gain clarity or understanding about someone's intentions or actions.