Old English sl?pere "one who sleeps, one who is inclined to sleep much," agent noun from sleep (v.). Meaning "strong horizontal beam" is from c. 1600. Meaning "dormant or inoperative thing" is from 1620s. Meaning "railroad sleeping car" is from 1875. Sense of "something whose importance proves to be greater than expected" first attested 1892, originally in American English sports jargon, probably from earlier (1856) gambling slang sense of "unexpected winning card." Meaning "spy, enemy agent, terrorist etc. who remains undercover for a long time before attempting his purpose" first attested 1955, originally in reference to communist agents in the West.
雙語例句
1. She was usually a light sleeper.
她通常很容易驚醒。
來自柯林斯例句
2. I usually go up to London on the sleeper.
我一般都乘臥車去倫敦.
來自《簡明英漢詞典》
3. Please don't make any noise — my mother's a very light sleeper.
請安靜——我母親睡覺很輕.
來自《簡明英漢詞典》
4. The British call a railroad tie a sleeper.
英國人把“railroadtie” (鐵路枕木)稱為“sleeper”.
來自互聯網
5. I crammed my bag full of swimsuits and T-shirts and caught the sleeper down to Beziers.