nod off

英 [nɒd ɒf]

美 [nɑːd ɔːf]

（尤指不打算入睡时）打瞌睡，打盹儿

牛津词典

• 以上各短语均含开始睡着之义。
  These words all mean to start to sleep.
• 指入睡，有时指无意之中或在不适当的场合睡着：
  to start to sleep, sometimes when you do not intend to or in a situation that is not appropriate
  1. When she finally fell asleep, she began to dream.
     她终于睡着了，并开始做梦。
  2. I pinched myself to stop myself from falling asleep.
     我掐自己以防自己睡着。
• 指入睡，尤指有意想睡着：
  to start to sleep, especially when you intend to
  1. I shut my eyes and tried to go to sleep.
     我闭上了眼睛想睡。
  2. He woke for a moment and then went to sleep again.
     他醒了一会儿，然后又睡了。
• 指开始入睡，尤指经过很长时间或很难才睡着：
  to start sleeping, especially after a long time or when this is difficult
  1. He took a long time getting to sleep that night.
     他那天晚上过了好长时间才睡着。
• 指睡着，尤指渐渐地入睡：
  to fall asleep, especially gradually
  1. I must have drifted off, because when I woke we were nearly home.
     我一定是睡着了，因为我醒来时我们已快到家了。
• 指睡着了一会儿，尤指坐着或在不该睡觉时打瞌睡：
  ( informal ) to fall asleep for a short time, especially when you are sitting down and when you are not supposed to be sleeping
  1. I was practically nodding off in that meeting.
     我在那次会议上差点睡着了。
• 指打盹儿、小睡：
  ( BrE informal ) to start sleeping lightly
  1. I dropped off and missed the end of the film.
     我打了个盹儿，错过了影片的结尾。

柯林斯词典

• PHRASAL VERB (尤指不打算入睡时)打瞌睡，打盹
  If younod off, you fall asleep, especially when you had not intended to.
  1. The judge appeared to nod off yesterday while a witness was being cross-examined...
     昨天一名证人接受盘问时，法官好像在打盹。
  2. He was nodding off to sleep in an armchair.
     他坐在扶手椅上打盹，睡着了。

英英释义

verb

• change from a waking to a sleeping state
  1. he always falls asleep during lectures
  Synonym:fall asleepdope offflake outdrift offdrop offdoze offdrowse off

双语例句

• Among them, a user could nod to turn the glasses on or off.
  比如，用户可以用点头的方式开启或关闭眼镜。
• With a brief nod he was off across the road, swinging his camera as he went.
  说完，他点一下头，晃着他的快照镜箱穿过马路去了。
• By learning from patients who nod off unexpectedly during the day, researchers have pinpointed a chemical that could help people who can't sleep at night.
  通过对白日发作性睡眠患者的研究，研究人员指出一种化学物质将对夜间失眠患者有帮助。
• I was about to nod off when she knocked the door.
  我正要睡着，就在那个时候他敲门了。
• So even if you nod off ( in front of the TV, for example), you probably wont stay asleep for long.
  所以即使你打盹了（比如在电视机前），你很可能也睡不了多久。
• They last sit and chat to each other, or nod off.
  他们就坐在那里相互攀谈，或者打盹。
• Doesn't nod off to sleep when I'm benting;
  我在兴头上时不要打盹；
• I always nod off during his lectures.
  我总是在他演讲时睡着。
• Land of nod US presidents have a long history of nodding off at inappropriate times.
  美国历届总统们有着在不合适场合打瞌睡的“传统”。
• The results found Chinese travellers are most likely to nod off once the seatbelt sign switches off.
  调查结果发现，一旦系紧安全带指示灯熄灭，中国人是最有可能小憩打盹的旅客。