drop off的意思

Question

如题所述

Answer 1

drop off

英 [ˈdrɒp ɒf] 美 [ˈdrɑːp ɔːf]

中途放下（某人）; 中途卸下（某物）; 打瞌睡; 睡着; 减退; 减少

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
When she finally fell asleep, she began to dream.
她终于睡着了，并开始做梦。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
I shut my eyes and tried to go to sleep.
我闭上了眼睛想睡。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
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
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
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
I dropped off and missed the end of the film.
我打了个盹儿，错过了影片的结尾。