1. He dozed off in class.
    他在上课时打瞌睡。

1. doze off是什么意思

1. 打盹：demanding 要求严格的 | doze off 打盹 | get over with 做完了事

2. 困倦：downpower 倾盆大雨 | doze off 困倦 | drop by 顺便拜访

1. (尤指在白天)打瞌睡，打盹儿
    If you doze off, you fall into a light sleep, especially during the daytime.

    e.g. I closed my eyes for a minute and must have dozed off.
           我闭了会儿眼，肯定是睡着了。

1. change from a waking to a sleeping state

    e.g. he always falls asleep during lectures

    Synonym: fall asleepdope offflake outdrift offnod offdrop offdrowse off