他可能和她自己一样，以前从未听说过这个词。

He was probably like herself and had never heard it before.

youdao

如果你以前曾探索过这一区域，请密切留意熟悉的景物——你可能会惊讶于，认出一块独特的岩石或一棵奇特的树竟能如此迅速地让人重获方向。

If you've explored the area before, keep an eye out for familiar sights—you may be surprised how quickly identifying a distinctive rock or tree can restore your bearings.

youdao

这个人可能是你觉得对不起的人，也有可能是以前从未对他说过这些话的人。

It could be someone you felt sorry to or had never said those words to before.

youdao

I mean, you may not understand it with algebra before but some of these sorts of pictures have you seen before?

我是说可能代数部分你没看懂,但你们以前见过类似的图像吧

耶鲁公开课 - 博弈论课程节选

Now. You might look at that and say, well that's just a lot like what we had over here Right? We had some additive constant plus a simpler version of the same problem reduced in size by 1.

现在你可能会看着这个说，这很像我们以前做过的,对不对？我们用一些附加的常量,加上问题的另外一个规模缩小了1的,简化版本来代替这个问题本身。

麻省理工公开课 - 计算机科学及编程导论课程节选

Your reaction may be that you've seen Newton's laws, you applied them in school.

你们的反应可能是,我已经见过牛顿定律了,以前在学校就学过

耶鲁公开课 - 基础物理课程节选