但当我在为时间不够而疯狂时，他却可以悠闲看小说，去旅行，预习。

But when I didn't have enough time for the mad, but he can leisurely reading novels, to travel, preview.

youdao

为了打发时间，我做了些预习，但是过了一会我就做不下去了。

In order to kill the tough time, I did some previews, but after a while, I could not do it anymore.

youdao

其次我会在完成作业以后预习第二天上的课，如果时间已经很晚了我就会直接睡觉，因为熬夜会影响第二天的听课效率。

Secondly, I'll prepare the second day course after finishing my homework, if time is very late I will sleep, because of staying up late will affect the second day efficiency in class.

youdao

其次我会在完成作业以后预习第二天上的课，如果时间已经很晚了我就会直接睡觉，因为熬夜会影响第二天的听课效率。

Secondly, I'll prepare the second day course after finishing my homework, if time is very late I will sleep, because of staying up late will affect the second day efficiency in class.

youdao