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- He dozed off in class. 他在上课时打瞌睡。
- He dozed off in class again. 他上课又打瞌睡了。
- Some students often doze off in class. 有些学生常在课堂上打瞌睡。
- He dozed off in his chair while I was reading to him. 当我给他读书时，他坐在椅子上开始打盹了。
- I was so tired yesterday that I dozed off in class. 我昨天实在是太累了,所以今天上课的时候就睡着了。
- After a substantial lunch, he dozed off in the armchair. 在饱食午餐后,他在扶手椅中打瞌睡。
- Some students often doze off in class . 有些学生常在课堂上打瞌睡。
- Do you sometimes doze off in class? （你上课偶尔会打瞌睡吗?）
- He's often absent-minded and dozed off in spite of himself in class. 他经常上课心不在焉且不由自主地打瞌睡。
- He nodded off in the middle of the conference. He dozed off during the meeting. 他在开会时睡着了。
- Once we caught him dozing off in class. 有一次我们发现他在上课时打盹。
- Once I caught him dozing off in class. 有一次我发现他在上课时睡着了。
- Because/As/Since he often stays up late, he often dozes off in class. 因为他常熬夜，所以上课常打瞌睡。
- He dozed off during the long lecture. 他在听那个冗长的演讲时打起瞌睡来了。
- One article carried in the People’s Daily points out, “Some children and teenagers watch TV for too long, so they doze off in class. 人民日报又篇文章指出：“有些少年儿童看电视的时间太长，因此再上课时打瞌睡。
- American children are more sleep-deprived than ever, with more than a quarter reporting that they doze off in class at least once a week, a study published yesterday says. 美国睡眠基金会28日公布的一项调查报告显示，当今的美国青少年比以往任何年代都缺觉，超过四分之一的高中生每周至少有一次在课堂上坠入梦乡。专家认为，电脑、视充斥孩子卧室是祸因之一。
- He dozed off with his head on his arm . 他头枕着胳膊打瞌睡。
- He dozed off in the armchair. 他坐在扶手椅里打盹儿。
- He's always drifting off in class. 他在课堂上总是神不守舍。
- The teacher hasn't the slightest idea of the fact that she often dozes off in class. 老师一点也不知道她常在上课时打瞌睡。
