英语翻译上课认真听课;按时完成任务;上学不准迟到;不准在课堂上睡觉;不准在校园骑车;不准吸烟;

问题描述:

英语翻译
上课认真听课;按时完成任务;上学不准迟到;不准在课堂上睡觉;不准在校园骑车;不准吸烟;

listen to the teacher carefully.
finish your task on time 
attend your class on time
stay awake in class
do not ride a bike on campus
NO SMOKING