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

They want to make the tests for the... they get into another grade, a little harder.

他们想通过考试……让孩子们升入下一个年级，并提升一点考试难度。

哈莱姆的变迁 - SpeakingMax英语口语达人

But after the doubts - he never thought that he would make the grade as a jockey - and the downs, came a change in fortune.

BBC: Jim Culloty

An engaging piece of hardware like GoNote can help our children to make the 'A' grade whilst at school, entertain them with apps once the work is done, and give them the experience and vision to be the future wave of app developers.

ENGADGET: GoNote 10-inch hybrid netbook / tablet bringing Ice Cream Sandwich to UK classrooms next month

It would require laboratory equipment and scientific knowledge to make a more potent, weapons-grade version, he said.

NPR: 'The Perfect Poison': Ricin Used In 3 Recent Cases