私にはこの問題がまったく分からない。の英語

I don't know this problem altogether.

This problem is beyond me.

I have no knowledge of that question.

I am not concerned with this matter.

I am not concerned with this matter.

This doesn't concern me.

The subject is unfamiliar to me.

I don't know what to do about this difficult problem.

I don't know how to solve this problem.

I don't know any way to resolve this issue.

I don't understand this matter.

I could not solve this problem by any means.

I just wasn't able to solve this problem.

I couldn't solve this problem by any means.

I just couldn't solve this problem.

I simply couldn't solve this problem.

I'm not familiar with this part of the subject.

I had trouble with this question.

I'm not familiar with this part of the subject.

I'm not familiar with this part of the subject.

I'm not familiar with this part of the subject

I can't solve this problem.

I have no idea what's causing these problems.

I am not concerned with this matter.

I am really in the dark on this case.

I don't really see what the problem is.

I'm not familiar with that subject.

I don't know about that.

I don't know about this area.

I scarcely know a thing about the problem.