drift off

英 [drɪft ɒf]

美 [drɪft ɔːf]

迷迷糊糊地睡去; 逐渐入睡

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 迷迷糊糊地睡去;逐渐入睡
  If youdrift offto sleep, you gradually fall asleep.
  1. It was only when he finally drifted off to sleep that the headaches eased.
     只有当他最后迷迷糊糊睡着时,他的头痛才有所减轻。

英英释义

verb

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

双语例句

• Based on the end pump system, the equation of the laser field has been studied, which shows that the distribution of the laser gain can affect the laser mode and make the base mode of the laser to drift off from the Gauss distribution.
  通过对端面抽运情形下光场运动方程的研究，发现不均匀的空间增益分布会影响激光振荡的模式，并且使得基模振荡光偏离高斯分布。
• When long wall mining to the dip in fully-mechanized coal winning working face is inclined area, we may can't use existing drift draw off water.
  当倾斜长壁开采的综放工作面初采范围处于向斜构造区，造成初采放水无法利用已有巷道形成自流放水，必须考虑动力排水或其他的放水方式。
• It was only when he finally drifted off to sleep that the headaches eased.
  只有当他最后迷迷糊糊睡着时，他的头痛才有所减轻。
• No more kinks in the neck while they sleep, let them drift off to dreamland with this super soft micro-fleece pillow that attaches easily and securely to the safety belt.
  这款安全带头枕，超软细羊毛材质，便于牢固地连接在安全带上。睡眠时舒适惬意，孩子伴着它进入梦乡，再也不必担心颈部抽筋了。
• You drift off to sleep and next thing you know, it sounds like a lumberyard.
  你睡着了然后被惊醒，那就像木场里锯木发出的声音。
• Later the president is able to tuck his children into bed before they drift off to sleep.
  晚饭过后，在他们睡之前总统奥巴马还能哄孩子们睡觉。
• Don't want them to drift off into too deep a sleep.
  他们不能睡得太熟。
• The analysis for the effect shows that the ground-mode oscillating beam will drift off the Gauss distribution if the nonequilibrium gain distribution is caused by pumping light in the laser medium.
  这种影响主要表现为：若抽运光在激光介质中引起非均匀的增益分布，基模振荡光将偏离高斯分布。
• We can't just watch it drift off course and say goodbye to all that work and money.
  我们不能眼睁睁的看着它沉睡然后和所有的工作和花费说再见。
• Around midnight, I drift off on a bunk bed inside the cabin.
  大约午夜，我渐渐离开，在船舱里的双层床上休息。