英语怎么表达我没听懂

1. I didn't gather what is that you asked me.Would you be able to ask me that in a different way?
2. I'm not really sure if I understand what I'm asking you, I hope you don't mind.
3. Could you ask that again?
4. Could you please rephease that for me? it may help me understand that a bit better.
5. I'm sorry could you please repeate the question?
6. I'm sorry could you please restate the question?