Can I ask you something?
我可以問你一個問題嗎?
Good question.
問得好。
I'd have to think about it.
我得想一想。
That's an interesting question.
這是個有趣的問題。
Well, let's see.
嗯, 讓我想想。
I'm not sure.
我不確定。
I'll have to check.
我得查查看。
I have no idea.
我一點兒也不知道。
You got me there!
你問倒我了。
How can l put this?
這該怎麼說呢?