What else I can do, there's no requirement for me to fail anybody.

我还做些其他什么呢，对于我让学生挂科这点没有任何的要求。

麻省理工公开课 - 固态化学导论课程节选

And five weeks less one day later I decided you know what this might actually be for me and I switched from pass-fail to letter graded status at that point in time.

而第五周的最后一天,我从上及格-不及格制的课程转为上数字学分制的课程,你们可能知道这对我来说意味着什么。

哈佛公开课 - 计算机科学课程节选

I was checking the web yesterday and I found a new book about Machiavelli, which none of these every fail to surprise me.

我昨天上网查了一下,发现一本谈马奇亚维利的新书，内容并无让我感到太惊奇之处。

耶鲁公开课 - 政治哲学导论课程节选

They don't say to me, six bodies,one of them must fail.

他们没有告诉我，6个人当中要有1个挂科。

麻省理工公开课 - 固态化学导论课程节选