何でそんなことしたか思い出せないんだ。の英語

I can't remember why I did that.

I don't know why I did that.

I can't remember saying any such thing

About that, I cannot recall it in detail.

I cannot conceive why she has done such a thing.

It is foolish of me not to think of that.

It is difficult to [We can't] understand why you did it.

I cannot understand why you did that work.

I cannot imagine what made me say a thing like that.

I can't remember why I was there.

I cannot figure out why he has done that.

I can't understand why he did that.

I still can't understand why you did that work.

No, it's not such a big deal.

I don't know how such a rumor got about.

I can't explain why this happened.

I don't know how it became like that.

I don't have this kind of memory.

I don't remember this kind of thing.

I never thought of that.

I never dreamed of it.

I can't figure out why he did it.

Surely you didn't do such a thing.

I never thought this would happen.

I would've never expected this to happen.

I never thought that this would happen.

I can't believe it. I would have never expected this to happen.

I never would've expected this to happen.

I don't know what that is made with.

I was not aware of the fact.