动词就寝

1. 睡觉：hit the high spots 达到高水准 | hit the sack 睡觉 | hold back 退缩

2. 就寝：Harvard 美国哈佛大学 | hit the sack 就寝 | zymotechnique 发酵工艺, 发酵法, 酿造法

3. 就寝,睡个够：hit the nail on the head说到点子上 | hit the sack就寝,睡个够 | hold one'S tongue缄默,不开口

4. 上床睡觉：work out 整理 | hit the sack 上床睡觉 | look up 觉察

verb

1. prepare for sleep

e.g. I usually turn in at midnight
He goes to bed at the crack of dawn

Synonym: go to bedturn inbedcrawl inkip downhit the haysack outgo to sleepretire