彼のことはずっと前から知っている。の英語

I've known him for a long time.

I used to know him.

It seems that he knows about it.

He does know the fact.

I think that he knows about this.

I used to know him.

He knows all [everything] (there is to know) about it.

It seems that he knows everything.

I've known him since he was a child.

He is acquainted with the custom.

You know who he is.

I know who he is.

He talks as if he knows everything.

I have know him the whole time since 17 years ago.

I know him quite well.

I think that I know him.

I know him like a book.

He knew that since a long time ago.

He is well informed―full of information.

He is known for his long ears.

I know well when it comes to him.

I didn't know about him until now.

He pretends to know everything.

He talks as if he knew everything.

I was astonished by his ignorance.

It seems to have that he knows everything.

He knows where [when] to draw the line.

He knows the details.

He is well informed about the world.

Soon I got to know him well.