He called Amy to see if she knew where his son was. As it happened, Amy did know.

他打电话给埃米，看她是否知道他儿子在哪儿。碰巧的是，埃米还真知道。

《柯林斯英汉双解大词典》

She wanted everyone in the audience to know what she knew without having to learn it from a personal tragedy.

她希望每个听众都知道她所了解的，而不必非要从个人悲剧中吸取教训。

youdao

She felt somehow that everybody who knew the moor must know Dickon.

不知怎的，她总觉得知道荒野的人，肯定都知道狄肯。

youdao

But if you want to know the answer, and I knew it, but I forget what it is-- it doesn't matter.

如果你想知道答案,我曾经是知道答案的,不过我忘掉了,这不重要

耶鲁公开课 - 心理学导论课程节选

We knew this was trying to do squaring, so intellectually we know we can square -4, it ought to be 16, but what happens here?

我们知道程序是用来求平方数的，那么按理说我们可以来求-4的平方，也就是16，但是程序结果是怎么样的呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

or nymphs and satyrs than you or I know and later urban poets - and Theocritus was an urban poet -later urban poets like Virgil or Milton knew even less than Theocritus, we have to assume.

的森林之神），忒奥克里托斯知道的不比你我或是后来的,都市诗人多--忒奥克里托斯就是个都市诗人,-后来的都市诗人像维吉尔和弥尔顿,我们得假定，对这些知道的就比忒奥克里托斯还少了。

耶鲁公开课 - 弥尔顿课程节选

It didn't pay to get to know people - we knew each other based on where we were from, or we had nicknames.

BBC: Return to Vietnam

And that despite the fact that Monica Lewinsky did not know that she was a witness -- she did not know she was a witness -- the president knew that she was a witness during his intensified efforts to get a job.

CNN

In reality, the taunting boy did not have a peanut, but Owen didn't know that -- he just knew that eating a peanut could make him stop breathing.

CNN: Allergy bullying: When food is a weapon