I always preview and master the main idea of the lesson before class.

我总是预览和掌握这一课上课前的主要思想。

youdao

The boy began lesson with an old Japanese judo master. The boy was doing well, so he couldn't understand why, after three months of training, the master had taught him only one move.

杰克跟着一个老日本相扑老师开始学习相扑，他学的就很好，让他不明白的是三个月的训练后，教练仍只教他一个动作。

youdao

Taking an attack actively is a kind of important skill that the students must master in the wrestling lesson.

主动进攻是警校学员在格斗课中必须掌握的一种重要技能。

youdao