她从来就不知道他姓什么，只知道他的名字。

She'd never known his surname, only his first name.

《柯林斯英汉双解大词典》

你就不知道羞耻吗？

Have you no shame?

《牛津词典》

算了吧，她根本就不知道我认识你。

Come on, she doesn't even know I know you.

youdao

if we can't think what system it belongs to, that's tantamount to saying we really don't know what it is.

我们就不知道它从属于哪个符号系统，我们就不能认识它了。

耶鲁公开课 - 文学理论导论课程节选

And hole in the walls that people don't even know about, and they are just like, they line the streets.

那儿有人们都不知道的小店铺，它们就像，排列在大街上一样。

关于SOHO - SpeakingMax英语口语达人

And what happens of course thereafter, as you'll remember, is that Lily pops up from the back seat: "Hi." He didn't know that she was there.

那么，在那之后发生了什么呢，正如你所记得的,莉莉从汽车后座突然跳出来，你好，他根本就不知道她在那儿。

耶鲁公开课 - 1945年后的美国小说课程节选