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

• 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”。
• I always nod off during his lectures.
  我总是在他演讲时睡着。
• I nod off, I wake up in strange places. I have no idea how I got there.
  我常打盹，醒的时候却在不同的地方，我完全不知道是怎么到那的。
• I'm so tired, I'm about to nod off!
  我好累啊，我几乎睡着了！
• There is wedding Betting: you can have a flutter on whether Harry will drop the ring during the service ( 24/ 1), or whether Prince Philip, who is nearly 90, will nod off during the service ( 8/ 1).
  也有婚礼押注：你可以在以下情况中选择：婚礼上哈利王子会不会丢失戒指（24/1），将近90高龄的菲利普亲王是否会在婚礼上打盹儿（8/1）。
• Most of them go to sleep easily and wake up occasionally at night. 72.2% of them often take a nap after lunch and sleep in good condition. During the daytime, they do not nod off obviously and have a good state of mind.
  老人们大多容易入睡，夜间偶有苏醒现象，72.2%的老人有午休的习惯，总体睡眠状况良好，白天无明显思睡现象，精神状态好。
• 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。
• 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。
• A chronic lack of sleep may cause far more serious problems than a tendency to nod off the next day, researchers warn.
  科学家警告说，长期睡眠不足可导致的问题也许会比白天老打瞌睡更严重。
• 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。