I don’t understand your point

1. That doesn’t make any sense to me.
2. That has nothing to do with it.
3. I don’t know what you’re talking about.
4. Where are you coming from?
5. You’d have to be a fool to think that.
6. Anyone with half a brain knows that.
7. That’s a little hard to swallow.
8. That's neither here nor there.
9. You’re being simple minded.
10. I’m not convinced.
11. What does that have to do with the price of tea in China?
12. That’s out of the question.
13. We don't see eye to eye.
14. Do expect me to take that seriously.

I don’t understand your point