孩子们在电视机前花的时间太多了。

Children spend so much time in front of the television set.

《柯林斯英汉双解大词典》

我们离开纽约前还应该有充足的时间去逛商店。

There should be plenty of time to go shopping before we leave New York.

《牛津词典》

我在铃响前刚好有时间吃完，然后就去上第一节课了。

I had just enough time to finish eating before the bell rang and I was off to my first class.

《柯林斯英汉双解大词典》

I had worked with the president for a long time, by the time I became the WHCS.

在我成为办公室主任前,我已经为总统，工作了很长的时间。

普林斯顿公开课 - 国际座谈会课程节选

There are lots of people who have pointed out to us that before a certain period, there was no such thing as man, and in a variety of quite real senses, after a certain moment in the history of culture, there is also no such thing as man.

很多人向我们指出,在某一特定时间点前是没有人类的，而且在真实意义上，在文化史中的某一特定时刻后，人类也不存在。

耶鲁公开课 - 文学理论导论课程节选

Well, you got to realize that much of the time, until the phalanx breaks, there's not a lot of killing that can go on.

你要知道,在方阵被打乱前的大部分时间里,不会有太多的伤亡

耶鲁公开课 - 古希腊历史简介课程节选