Or between two people do not know much about?

还是两个人之间的不甚了解？

youdao

Some of us do not know much about the theatre.

我们中有一些人还不太懂得戏剧。

youdao

Parents — you do not know much about such things.

双亲，这是你们不大知道的。

youdao

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

Experts still do not know much about this woman and her famous smile.

VOA: special.2010.06.23

"People do not know much about China, especially the latest development.

VOA: special.2010.02.04

Actually, I do not know much about Maria.

FORBES: Maria, Of The Garbage Pickers: Cartonera-in-Chief

Over the past few weeks, aircraft engineers have found they do not know quite as much about metal fatigue as they thought.

ECONOMIST: Aircraft fatigue

They do not know how much deliberation they have brought about.

ECONOMIST: American democracy: Building the perfect citizen | The