用英语表达上课不能做的事，如。Don't sheep on the ......

Rule NO.1:Never turn your back on your teachers.

Rule NO.2:Never fall asleep during class,or you won't be able to do it in the evening due to your aching bottom.

Rule NO.3:Never chat with your classmates while your teacher is speaking no matter what a sweetie he or she is or how badly you wanna marry her or him.

Rule NO.4:Always eat after class,even if you are starving.you don't want to know what will happen to those during-class-eaters.


Rule NO.5:Focus on your textbook instead of love stories or comic strips or your daddy would help you focus.

Rule NO.6:Always keep it on mind that the person who's standing on the platform is your teacher,not a target paper.Don't even try to hit him or her with erasers,chalks,napkins,etc.Believe me ,that's all for the good of your ass.


Rule NO.7:Your teacher is your teacher just because he or she knows a little bit more than you do.So how about ask them for a feasible suggestion when the nature is calling during class?


Rule NO.8:Once you've violated any single one of these rules,good for you,kid.Once you are not be found at the proper place and the proper time to get yourself a chance to violate any single one of these rules while you are supposed to do so,sorry,son,for real.