sleeper
Word family
Longman Dictionary of Contemporary English 5++LDOCE 5++sleep·er /ˈsliːpə $ -ər/ noun [countable] 1 someone who sleeps in a particular way 睡得…的人light sleeper (=someone who wakes easily) 睡得不熟的人，易醒的人heavy sleeper (=someone who does not wake easily) 睡得很熟的人，不易醒的人2. someone who is asleep 在睡觉的人3. 
British EnglishTTT a heavy piece of wood or concrete that supports a railway track 〔铁路的〕枕木，轨枕 SYN American English tie4 TTT a) a night train with carriages that have beds for passengers to sleep in 卧铺列车 b) a sleeping car 卧铺车厢 c) American English a bed on a train for a passenger to sleep in 〔火车的〕卧铺5. especially American English a film, book etc which is successful, even though people did not expect it to be 爆冷门的影片[书籍等]6. American English a piece of clothing for a baby that covers its whole body including its feet 〔一直包到脚的〕婴儿睡袋7. a spy who is sent to a particular place and who lives an ordinary life there until a later time, when they begin their spying activities 潜伏特工，潜伏的间谍Examples from the Corpus
sleeper• She's good at that too, an accomplished sleeper, with childish face.• People who say they are disturbed by noise at night may just happen to be light sleepers.• Many sleepers are disturbed by light that pervades their eyelids when they have their eyes closed.• Often what is perceived as insomnia by an older sleeper is only a change in sleep length and sleep quality.• He's a restless sleeper, kicking and thrashing about throughout the night.• He had booked on tomorrow night's sleeper, and would head up to Oban on Friday.• The air exerts pressure on the airway, holding it open and allowing the sleeper to breathe normally.heavy sleeper• Or else she had become a heavy sleeper over the years.• Mrs Fairfax is a heavy sleeper, like most old people, and didn't hear anything.• Some people who sleep next to snorers are able to tune out the sound, if they are heavy sleepers.From Longman Business Dictionarysleepersleep‧er /ˈsliːpə-ər/ noun [countable] American EnglishFINANCEMARKETING a share or a product that is not successful immediately, but then suddenly starts to sell well or be successfulThe movie turned out to be a sleeper.sleep·er nounChineseSyllable
someone Corpus Business who in particular a sleeps way
sleeper
sleep‧er /ˈsliːpə $ -ər/
noun [countable]
light sleeper (=someone who wakes easily)
heavy sleeper (=someone who does not wake easily)
2. someone who is asleep
3.
British English a heavy piece of wood or concrete that supports a railway track
SYN tie American English
4.
a. a night train with carriages that have beds for passengers to sleep in
b. a sleeping car
c. American English a bed on a train for a passenger to sleep in
5. especially American English a film, book etc which is successful, even though people did not expect it to be
6. American English a piece of clothing for a baby that covers its whole body including its feet
7. a spy who is sent to a particular place and who lives an ordinary life there until a later time, when they begin their spying activities
sleep‧er /ˈsliːpə $ -ər/
noun [countable] Word Family: noun: sleep, sleeper, sleepiness, sleeplessness; adjective: asleep, sleepless, sleepy; adverb: sleepily, sleeplessly; verb: sleep
1. someone who sleeps in a particular waylight sleeper (=someone who wakes easily)
heavy sleeper (=someone who does not wake easily)
2. someone who is asleep
3.
British English a heavy piece of wood or concrete that supports a railway track
SYN tie American English
4.
a. a night train with carriages that have beds for passengers to sleep in
b. a sleeping car
c. American English a bed on a train for a passenger to sleep in
5. especially American English a film, book etc which is successful, even though people did not expect it to be
6. American English a piece of clothing for a baby that covers its whole body including its feet
7. a spy who is sent to a particular place and who lives an ordinary life there until a later time, when they begin their spying activities
especially