原因 Reason
詢(xún)問(wèn)理由 Asking for reason
Why?
Have you got any idea why?
do you know why?
Why do you think?
why did?
What?
What’s the reason?
How did it come about that?
Is that why?
Is that the reason?
提供理由 Giving reasons
The thing is
The reason was that
The basically reason is that
The reason for … was that…
The reason why … is
It’s because …
Well, because..
Well, you see…
If I could explain
And that’s my reason for …
I believe it’s right for the following reasons.
… Has ample justifications for
I think there’s actually a good case for..