Listening to what the teacher says in class means less work later what the teacher says.

听什么，老师说，在课堂上自然少了后来的工作是什么，老师说。

youdao

First, you must listen to the teacher carefully, it means less work after class.

首先，你必须认真听老师讲课，这意味着课后作业少了。

youdao

The Foreign Teacher shall submit a written application for sickness if unable to work prior to the concerned class time.

外教如因生病无法工作应在相关上课时间之前提交书面病假申请。

youdao

The workshops are run in schools with a police officer, the class teacher and two members of Samm and are subsequently followed up with further work.

BBC: Pupils taught using violent game