1、Well, let me see...

2、The piont Im trying to make is that...

3、Let me put it another way.

4、Personally, I think/ feel/ believe/ suppose...

5、My view on... is that...

6、As far as Im concerned,...

7、As i see it,...

8、Im afraid I didnt quite catch you.

9、Im afraid Im not quite clear about...

10、Sorry, I cant follow you.