In the middle of the movie, Sean, then four, fell asleep.

在看电影的过程中，当时4岁的肖恩睡着了。

youdao

Then four dings signaled an oncoming train, red beacons flashed from posts on either side of the tracks, and the railroad gates dropped down.

然后听到四声鸣叫，火车来了，铁道一边的柱子上，红色警示灯在闪光，铁路栅门关了。

youdao

Despite its popularity, there is a nearly equals split between Twitter addicts (31% use Twitter ten or more times a day) and those who use it infrequently (33% less then four times a day);

尽管Twitter很受欢迎，但用Twitter上瘾的人（31%的受访者每日使用这个工具10次或以上）与不经常使用的人（33%的受访者每日使用不足4次）的比例几乎平分秋色。

youdao

But other students begin at a community college to save money, then finish at a four-year college or university.

VOA: special.2009.07.16

Three is the smallest one, and I'm going to compare four games twelve, which is going to give me four. And then what do?

然后将4和12进行比较，得到4是小的一个,那么下面怎么做呢？,将12与30进行对比，12是小的一个？

麻省理工公开课 - 计算机科学及编程导论课程节选

So these empirical observations then are summarized into four laws.

这些经验性的观察,被总结成四条定律。

麻省理工公开课 - 热力学与动力学课程节选

She married Mr. Hamilton in 1997, and then four years later filed for divorce.

WSJ: Weekend Confidential: Gabrielle Reece

The oil goes into a de-gasification plant, and then four-fifths of it is stored for export.

ECONOMIST: The workers may be biting off more than they can chew

And then four states, as I said, have gone ahead and abolished this insanity defense altogether.

NPR: Slate's Jurisprudence: Moussaoui's Insanity Defense