"Yes, I know all about that," answered John.

“是，我都知道，”约翰回答说。

youdao

And as for his own behavior, humph, I know all about that too, such as visiting brothels in town.

他的所作所为，哼！我也知道，譬如在镇上嫖下娼。

youdao

I don't know anything about children, but Mrs. Medlock is to see that you have all you need.

我对孩子们的事一无所知，但梅德洛克太太会照顾你，让你得到你所需要的一切。

youdao

I don't know if you can see those colors much at all, sorry about that.

我不太能确定你们是否能看清,这些颜色,不好意思

耶鲁公开课 - 美国内战与重建课程节选

That is true of all of human societies that we know anything about down to the earliest possible exception, I suppose; well, it depends what you think is earliest.

确实,在所有我们了解到的,人类社会中,我想"最早的"可能除外,当然,这取决于你是怎么理解"最早的"

耶鲁公开课 - 古希腊历史简介课程节选

Let's take a step back and ask are all kinds of cells really the same and start by talking about two cells that I know you know are quite different.

让我们退一步并问一句,所有细胞真的都是一样的么,我们不妨从两种,看起来截然不同的细胞谈起

耶鲁公开课 - 生物医学工程探索课程节选

All that I know about him is that he was from Sheffield, was 29 years old and died in a road accident.

BBC: NEWS | UK | How organ donations can change lives

Mr. SAEED RAHIM (Minister of Information and Culture, Afghanistan): I got contact with security officials and they said they didn't know anything about that, so I announced to all journalists that it's not valid and don't worry about it.

NPR: Afghan Media Complain of Government Control

That's all I know about Rahm in terms of that.

WHITEHOUSE: Press Briefing