hit the sack英 [hɪt ðə sæk]美 [hɪt ðə sæk]v. 就寝英英释义verbprepare for sleepI usually turn in at midnightHe goes to bed at the crack of dawnSynonym:go to bedturn inbedcrawl inkip downhit the haysack outgo to sleepretire双语例句