Having four children keeps her on the go.

她那四个孩子把她忙得不可开交。

《牛津词典》

Well, I've seen six apartments so far. That's six down and four to go!

好啦，到目前为止我已看了六套公寓房。看完六套还有四套要去看呢！

《牛津词典》

The award-winning novelist often has three or four books on the go at once.

那位获奖小说家经常是三四部小说同时写的。

《牛津词典》

About twenty-seven percent said they plan to go to graduate school, compared to about twenty-four percent a year ago.

VOA: special.2009.06.25

Let's say you have to go through three or four operations to get a final number, well, do it algebraically.

让我们说,你不得不通过3-4个操作,才能得到最终的数，好吧，用代数方法求解。

麻省理工公开课 - 固态化学导论课程节选

But it's difficult, because you have to go there like four or five times a week.

但是要坚持学习真实太难了，你一周得去四、五次。

I used to实战 - SpeakingMax英语口语达人

In more typical use than mine while testing, it would likely go four to five days.

WSJ: Watch Keeps Alerts From a Phone at Arm's Length

Tigers pitching ace Justin Verlander only managed to go four innings, allowing five runs on six hits.

CNN: October 25, 2012 -- Updated 1019 GMT (1819 HKT)

The fiery Tortorella was let go four days after the Rangers' season ended with a Game 5 loss to the Boston Bruins.

WSJ: Rangers fire coach John Tortorella