If the student hasn't mastered the basic concept, we will make sure that the grade scheme gives a failing grade.

如果学生没有掌握基本的概念，我们会确保,成绩将会不及格。

麻省理工公开课 - 固态化学导论课程节选

It's a little... I think that concept is a little bit easier to grasp. It's like a definite rule, and

不过这个有点……我认为这个概念掌握起来稍微容易点。因为有明确的规则，而且是

韩国人经常犯的失误 - SpeakingMax英语口语达人

So, if you propagate that through the whole year, and you have the basic mastery of the concepts, 50 is a pass.

如果你一整年都在认真学，那你就可以掌握基本的概念,50分就可以通过。

麻省理工公开课 - 固态化学导论课程节选

And this was more evidence that they just don't understand objects, and that this thing takes a lot of time and learning to develop.

这更证明了 他们并不理解客体的概念,而这种概念需要通过大量的时间学习,才能够掌握

耶鲁公开课 - 心理学导论课程节选

If the person has not mastered the basic concept, the person must fail, must get four or less.

如果他没有掌握基本的概念，那就一定不能通过考试，只得十分之四或更少。

麻省理工公开课 - 固态化学导论课程节选