そんなこと、分かるわけないでしょう。の英語

How should I know?

I don't know the certainties regarding that.

I don't know about that kind of thing.

Don't be unreasonable.

Not that I know of.

I never heard anything like that.

I've never heard of such a thing.

I never heard anything like that.

I haven't seen anything like that.

I can't read your mind.

There are cases when I don't know that meaning.

Not that I know of.

I don't understand the reason.

Please ask us about anything you don't understand.

I really don't know.

I couldn't say.

I might not know that.

I know as much about it as the man in the moon.

I know absolutely nothing about that.

I'm not exactly sure.

I can not say for certain.

I'm not entirely sure.

I was not aware of the fact.

I actually never knew that.

I do not quite understand you

I do not quite follow you.

Don't ask me why.

I can't agree to it

I will not hear of it.

You aren't thinking of that, are you?