How many a time have we talked over her little errors!

我们有多少次在一起谈论她的小毛病啊！

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I want to wait till Friday to see how many students volunteer, and then I'll schedule a training class next week at a time that's convenient for everyone.

我想等到星期五，看看有多少学生自愿参加，然后再安排下周的培训班，会选在一个大家都方便的时间。

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How many times have I heard people say, "I could write a book. I just haven't the time."

我曾好多次听到人们说：“我可以写一本书，但就是没有时间。”

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Another thing to point out in these two graphs is that we do have nodes, and we figured out last time, we calculated how many nodes we should have in a 2 s orbital.

另外这两张图上要指出的是,我们可以看到节点，上次我们知道，我们算了２ｓ轨道有多少个节点。

麻省理工公开课 - 化学原理课程节选

How many people know that three times a week physical exercise,30 minutes each time has the same effect ? as our most powerful psychiatric drugs?

多少人知道，每周三次,体育锻炼，每次三十分钟，与最强劲的精神药物,有同样的效果？

哈佛公开课 - 幸福课课程节选

How many of you, excluding the people who chose 1 last time, how many of you chose a number that was lower than the number you chose last time?

出了上次选1的人,多少人选了比你,上次选择的数还低的数字

耶鲁公开课 - 博弈论课程节选

Another theory is that Apple may have reached a theoretical limit to how many products can be produced in a specific window of time.

WSJ: New iPhone Sellout Tests Apple Supply

But, of course, how we harvest the fish has a direct impact on how many are left to catch next time.

CNN: A royal plea for sustainable fish and chips

Forbes talked to Newsom on Saturday about how, at a time when so many American cities are chasing Chinese investment, San Francisco pulled in those businesses, and why Chinese investment in the U.S. energy industry, a sensitive area where only five years ago the proposed purchase of Unocal (now part of Chevron) by Chinese state-run Cnooc ran into political turbulence, is now seemingly more welcomed.

FORBES: Now's The Time To Avoid Dependence On China