According to the plan, teachers should not allow their classes to run too late or too early.

根据该计划，教师不应该太早上课或太晚下课。

youdao

Second, when you have classes, you can't wear a hat. Third, don't be late for class. It is not good. Fourth, after class, you can't run or play in the classroom or the hallways.

第二，当你上课时，不能戴帽子，第三，上课不能迟到，这是不好的，第四，下课后，不能在课室里或在走廊里玩，这是非常危险的。

youdao

Second, when you have classes, you can't wear a hat. Third, don't be late for class. It is not good. Fourth, after class, you can't run or play in the classroom or the hallways.

第二，当你上课时，不能戴帽子，第三，上课不能迟到，这是不好的，第四，下课后，不能在课室里或在走廊里玩，这是非常危险的。

youdao