I am familiar with his name.

他的名字我耳熟。

youdao

I am familiar with his personality.

我对他的人格很了解。

youdao

I am not familiar with his character.

我不了解他的性格。

《新英汉大辞典》

Although I have never seen him in person, I am very familiar with his deeds.

虽然我没见过他本人，但我对他的事迹十分熟悉。

youdao

I am not familiar with his novels and not very keen on reading them.

我不熟悉他的小说，也不热心于读这些小说。

youdao

I am very familiar with his name.

我很熟悉他的名字。

youdao

I am very familiar with his name.

我很熟悉他的名字。

youdao