I know that much!

这点事儿我还是知道的。

youdao

I don't pretend (that) I know much about the subject, but...

我不敢说自己对这个主题有多了解，但是…

《牛津词典》

I don't know what it was that did the trick, but I am definitely feeling much better.

我不知道是什么起的作用，但是我确实觉得好多了。

《牛津词典》

Look, Bella, I know I'm notthat much fun to be around, but I can change that.We can do more stuff together.

VOA: standard.other

I know that you are a judge down here and much respected. So, looks like you've beaten the rap."

我知道你在下面是个广受尊敬的法官,看来你混得很开啊"

耶鲁公开课 - 古希腊历史简介课程节选

I would guess that's pretty much, you know, apart from, you know, all the usual, well-known things.

我觉得这些差不多了，加上那些众所周知的地方的话。

鲜为人知的名胜 - SpeakingMax英语口语达人

And I sympathize with her on some level because it feels incredibly invasive even though I know that much of the personal material in the emails has been redacted.

FORBES: Sarah Palin Emails Show Discord Over Oil Tax

But I want to qualify that by saying, I don't know that much about the Tongass.

NPR: Rocky Mountain Activist Carole King

But I don't have that much more information but what I do know is that there has been a lot of damage.

NPR: Hurricanes Wreak Havoc In Haiti And Cuba