我遇到了一个特别的同学，一个有着温暖笑容的小老太太。

I met a special classmate, a little old lady with a warm smile.

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上个星期天我遇到了一个名人。

I met someone famous last Sunday.

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有一天，我遇到了一个以前的同学，他做副业赚了很多钱。

One day I met a former classmate of mine who was making a lot of money running a sideline.

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Having said that, funny I was talking to somebody the other day who works for the Academy of American Poets.

有一天很巧，我遇到了一个朋友,她在美国诗人协会工作。

普林斯顿公开课 - 人性课程节选

I just happened, while I was a graduate student at Oxford University, to meet somebody who is vegetarian and start talking to him about the way we treat animals which I really didn't know much about.

那时我还在牛津攻读硕士研究生,偶然遇到了一个素食者,我们聊到人类是怎样对待动物的,当时我的确不是很了解。

普林斯顿公开课 - 人性课程节选

In my case, i met a brilliant professor, who got me interested in computering, got me interested in the foundations of the kinds of things i did after Princeton.

我的情况是遇到了一个杰出的教授，他使我对计算机科学，以及后来我从普林斯顿毕业后,所作的基础工作,产生了兴趣。

普林斯顿公开课 - 领导能力简介课程节选