/sli:p; slip/
n
1 [U] condition that occurs regularly in humans and animals, esp at night, in which the eyes are closed and the muscles, nervous system, etc are relaxed 睡眠
*How many hours' sleep do you need? 你需要几个小时的睡眠?
* He didn't get much sleep. 他睡眠不足.
* Do you ever talk in your sleep? 你睡觉说梦话吗?
* send sb/get to sleep, ie (make sb) fall asleep （使某人）入睡
* sing/rock a baby to sleep, ie make the baby fall asleep by singing/rocking 唱歌[摇着]哄孩子入睡.
2 [sing] a period of sleep 睡眠时间
*have a short, good, restful, etc sleep 短时间的⾀良好的、安静的...睡眠.
3 [U] (infml 口) substance that gathers in the corners of the eyes during sleep 眼眵
*wash the sleep out of one's eyes 把眼眵洗掉.
4 (idm 习语) cry/sob oneself to `sleep cry/sob until one falls asleep 哭着入睡. ,go to `sleep
(a) fall asleep 入睡
*Go to sleep now, it's late. 快睡吧, 很晚了.
(b) (infml 口) (eg of a limb) become numb through lack of movement, etc （如肢体）麻木（因 不活动等）
*I've been sitting on the floor and my foot's gone to sleep. 我一直坐在地板上, 脚都麻木了. not get/have a wink of sleep => wink. not lose sleep/lose no sleep over sth => lose. put sb to `sleep make sb fall asleep, esp by using an anaesthetic 使某人入睡（尤指用麻醉剂）. put (an animal) to `sleep (euph 婉) kill (an animal) deliberately, eg because it is ill 杀死（动物）（如因病）
*Stray dogs are usually put to sleep if no one claims them. 走失的狗如无人认领通常就不让它再生存了. read oneself/sb to sleep => read. sleep the sleep of the just => sleep2.

/sli:p; slip/
v (pt, pp slept / slept; slZpt/)
1 [I, Ip, In/pr] be in a state of sleep; be asleep 睡; 睡觉; 睡着
*Try to sleep in spite of the noise. 尽管有喧闹声也要设法睡着.
* sleep well/badly 睡得好[不好]
* I got up early, but he slept on. 我起得很早, 而他还睡呢.
* We slept (for) eight hours. 我们睡了八个小时.
* I slept at a friend's house last night. 我昨晚睡在朋友家里.
2 [Tn no passive 不用于被动语态] have enough beds for (a number of people) 为（某数量的人）提供床位
*Our caravan sleeps six in comfort. 我们居住的拖车可舒舒服服地睡六个人.
* The hotel sleeps
300 guests. 这旅馆可供三百人住宿.
3 (idm 习语) let sleeping dogs `lie (saying 谚) do not try to change a situation that could become a problem if sb interfered 别惊动睡着的狗; 别惹事生非; 别自找麻烦
*We decided to let sleeping dogs lie and not take them to court. 我们决定不起诉他们, 免得惹事生非. not sleep a wink => wink. sleep like a `log/`top (infml 口) sleep soundly 睡得很熟. sleep `rough sleep out of doors wherever one can 在户外睡觉
*He'd been sleeping rough for a week, in ditches and haystacks. 他在沟里和草堆里露宿了一个星期. sleep the sleep of the `just not be troubled by any guilty feeling 能睡安稳觉; 问心无愧. sleep `tight (infml 口) (esp imperative 尤用于祈使句) sleep soundly 睡个好觉
*Good night, sleep tight! 晚安, 睡个好觉!
4 (phr v) sleep around (infml 口) have sex with many partners与很多人发生性关系. sleep in
(a) (US) = lie in (lie2):I get a chance to sleep in at the weekend. 我在周末才有机会睡个懒觉.
(b) (esp formerly of servants) sleep at the place where one works （尤指旧时仆人）在工作处住宿
*a housekeeper that sleeps in 住在雇主家里的管家. sleep sth off recover from sth by sleeping 藉睡眠恢复或复原
*sleep off a bad headache, a hangover, etc 用睡眠来消除头痛、宿醉等
* sleep it off, ie after being drunk 藉睡眠醒酒. sleep on sth (no passive 不用于被动语态) not decide about sth until the next day 将（某事）留待次日再决定
*Don't say now if you'll take the job
*sleep on it first. 你现在先别决定接受这项工作
*考虑一天再说. sleep out
(a) sleep outdoors 露宿.
(b) (esp formerly of servants) not sleep at the place where one works （尤指旧时仆人）不在工作处住宿
*a butler who sleeps out 不在雇主家住宿的男管家. sleep through sth (no passive 不用于被动语态) not be woken up by (eg a noise or an alarm clock) 声音（如噪声、闹钟）吵不醒
*You slept right through the thunderstorm. 你一直睡着, 这场雷雨都没把你吵醒. sleep together; sleep with sb (euph 婉) have sex with sb, esp sb to whom one is not married 与某人发生性关系（尤指并非配偶）.