出典:Tatoeba
I don't know anything about him at all.
I do not know anything about him.
I don't know anything about him at all.
I do not know anything about him.
I don't know him at all.
I don't know him at all.
I don't know anything about him at all.
I don't know about him very well.
I don't know him at all.
The fact is that I don't know anything about him.
He seems to know nothing about the matter.
The fact is that I don't know anything about him.
He didn't know the fact that everyone knew.
We don't know anything about him.
The fact is that he knows nothing about it.
It is certain that he didn't know that.
It is surprising that he should not know this.