我知道马克迟到是出了名的。

I'm aware of Mark's reputation for being late.

《牛津词典》

我知道马克也不锻炼。

I know Mark doesn't take exercise, either.

youdao

你知道马克拒绝了一家旅行社的工作邀请吗？

Do you know that Mark turned down that job offer by a travel agency?

youdao

He mentioned the Nicomachean Ethics which I have never read I don't know what that is.

他提到了《尼各马克伦理学》,一本我从没读过的书，我不知道那本书是讲什么的。

耶鲁公开课 - 金融市场课程节选