1N-COUNT [adjective NOUN]睡觉…者;睡眠…的人 You can use sleeper to indicate how well someone sleeps. For example, if someone is a light sleeper, they are easily woken up. 睡觉…者;睡眠…的人
I'm a very light sleeper and I can hardly get any sleep at all.
我睡觉很轻,几乎就没睡着。
Poor sleepers take longer to fall asleep than good sleepers.
与睡眠好的人相比,睡眠不好的人要花更长的时间才能入睡。
2N-COUNT (英国英语的)卧铺车厢,卧铺铺位(在美国英语中,sleeping car 指卧铺车厢,roomette 则指一个卧铺的铺位) In British English, a sleeper is a carriage on a train containing beds for passengers to sleep in at night, or a section of such a carriage. The usual American words are sleeping car for the carriage and roomette for the section. (英国英语的)卧铺车厢,卧铺铺位(在美国英语中,sleeping car 指卧铺车厢,roomette 则指一个卧铺的铺位)
3N-COUNT 卧铺列车 A sleeper is a train with beds for its passengers to sleep in at night. 卧铺列车 [British]
4N-COUNT [oft n NOUN](铁路上的)枕木 Railway sleepers are large heavy beams that support the rails of a railway track. (铁路上的)枕木 [British]
in AM, use 美国英语用 ties
5N-COUNT 出乎意料的成功者;爆冷门的人(或事物) If you describe someone or something as a sleeper, you mean that they unexpectedly become successful, often after a long period of being inactive or unknown. 出乎意料的成功者;爆冷门的人(或事物) [informal]
...Menno Meyjes, a young Dutch writer, who had had his first success with the sleeper 'The Children's Crusade'.