朋友致电我没有掌握好 friend call me not master
我还没有掌握这辆车的刹车性能。
他没有掌握基本的语法规则。
如果你对一课没有掌握,第二天要温故这一课。
That person didn't take ownership of his or her education.That person isn't deciding to be a part of the 3.091 community.
他没有掌握他自己学业的自主权,他没有决定要成为,我们这门课程的一部分。
They are really a difficult concept to grasp when you have no base knowledge of it.
当你没有基础知识时,冠词确实很难掌握。
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。
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