091. What’s the use of…?
->used for saying that something is not likely to have a successful result, and so there is no point in doing it
A: How long have you been studying English?
B: Over ten years now, but my English is not very fluent at all.
A: Why not?
B: I don’t like speaking English because I’m afraid of making mistakes.
A: What’s the use of studying English if you won’t speak it?
B: You’re right. I should try to speak out more and not be so afraid of making mistakes.