他休息了一会儿后，陌生人叹了口气，嗅了嗅空气，看了看他。

When he had rested awhile the stranger sighed, snuffed the air, and looked about him.

youdao

过一会儿后，我通常决定继续阅读。

After a while, I usually decide to go on reading.

youdao

店老板想了一会儿后说道：“有了！

The shop owner thinks for a minute, then says, “I’ve got it!

youdao

So, I actually paused for a moment to take some photographs after this particular experience because after walking this woman who happened to be, I mean she was at least 70 plus years old I would say, no offense if she's watching this on the Internet now and I got that wrong, but at least 70 years old.

所以，通过这个特殊的经历后,我停下来一会儿，拍了一些照片，因为这种事发生在,这位老太太身上,我的意思是她至少有70多岁了，我想说，如果她在网上看看这个，就不会犯错了,但是我错了，她至少70多岁了。

哈佛公开课 - 计算机科学课程节选