This time,it happened while he was working on a railroad with men who did rough work and looked rough.

VOA: special.2010.08.01

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's been a while since I've been doing that because I haven't had as much free time as I would have liked.

我已经很久没有播报了。因为我最近都没有太多的空余时间。

广播人员怎么样？ - SpeakingMax英语口语达人

For example, someone who likes to spend a lot of time sitting or lying down while watching television is sometimes called a couch potato.

VOA: special.2010.03.28

We normally think of teaching as a synchronic process, you and I are in the same place and in the same time while we are learning, when in fact at least right now we are not.

我们通常设想教学是限于一时的过程，你我在同一地点,同一时间学习，但事实上至少现在就不是这样。

麻省理工公开课 - 媒体、教育、市场课程节选

She says she will spend more time on her film career for a while.

VOA: special.2010.08.06

And you can see it wrapping its way down, cutting in half at each time until it gets there, but it takes a while to find. All right.

但是这也花了一点时间来搜索，好，让我们看看100万，或者1000万是不是在数组里。

麻省理工公开课 - 计算机科学及编程导论课程节选

"It will for a long time, at least while I am alive. And it is not just trucks and heavy machinery.

VOA: standard.2009.09.02

Remember, this is a time, as we'll see in a while, where the czar was on the road a lot, and distances in the Russian empire are enormous.

要记得一点,我们后面还会讲到,因为彼得大帝经常外出,而当时的俄帝国幅员辽阔

耶鲁公开课 - 欧洲文明课程节选

Demong says he had the ring for a while, but thought Thursday was the right time to ask.

VOA: standard.2010.02.27

Socrates seems to remain, even until the end, very much a kind of law unto himself while at the same time, again, providing Crito and others like him an example of rational and dignified obedience to the law.

苏格拉底一直到最后，似乎都保持着一种自我定义的法律,但同时，却也提供克里托及其它同类,一种理信,与庄严的服从法律范例。

耶鲁公开课 - 政治哲学导论课程节选

In 2007,expenditures on health care totaled about one-sixth of the entire U.S.economy, and even top congressional leaders acknowledge that attempting to rein in health-care costs while at the same time expanding health-insurance coverage is a daunting task.

VOA: standard.2009.07.31

And after a while,somewhere the name spreads and by the time I'm 250 years old, everybody's calling me Jo-Jo.

一段时间之后这个名字传开，当我250岁时，大家都叫我Jojo了。

耶鲁公开课 - 死亡课程节选

"Most Americans wanted to hear president tell Speaker Pelosi, Majority Leader Reid, and the rest of the Congress that it is time to start over on a common sense, bipartisan plan focused on lowering the cost of health care while improving quality."

VOA: standard.2009.09.10

All right? A linear search, I start at the beginning of the list and walk all the way through it. All right, if I'm lucky and it's at the low end, If it's not, if it's at the far end, I've got to go forever, and you saw that last time where this thing paused for a little while while it actually searched a list this big.

如果很幸运就在开头,那运行起来很快，如果是在末尾,那就一直得走到头，上次看到了,如果搜索空间很大,程序都会暂停一会,好的，那我希望你们。

麻省理工公开课 - 计算机科学及编程导论课程节选

The G20,which includes major industrialized powers in the Group of Eight plus developing nations with significant economies such as China and India, agreed to a specific time line for deficit reduction, while giving governments flexibility to adjust the pace of changes based on their own situations.

VOA: standard.2010.06.27