当我们看见那座建筑突然起火时，我们知道一切完了。

We knew it was all over when we saw the building burst into flames.

youdao

我们知道一切还没有结束，尽管我们又向前走了一大步。我们需要让注意力集中和把工作做好。

We know it's not finished yet, although we've taken another big step. We need to keep concentrated and finish the job properly.

youdao

抱歉，不过我想知道这一切和我们有什么关系。

Excuse me, but I want to know what all this has to do with us.

《柯林斯英汉双解大词典》

Now Descartes, you remember, in his Meditations begins by asking a series of questions about how we can know anything, and one of the skeptical questions he asks is, "Well, might I not be crazy?"

大家应该记得，在《沉思录》的开头，笛卡尔问了一系列,关于我们如何知道一切的问题，其中的一个问题是，我可能疯了？

耶鲁公开课 - 文学理论导论课程节选

First, we know that it's not true that everything is learned.

首先，我们知道,一切都是习得的，这个观点是错误的。

耶鲁公开课 - 心理学导论课程节选