sleep in phrasal verbphr v informal WAKE UP/GET UPto let yourself sleep later than usual in the morning 〔早上〕睡懒觉 We usually sleep in on Sunday mornings. 我们星期天早上通常睡懒觉。
sleep in• Where are Diane and Mike? Sleeping in again, huh?• She doesn't even like sleeping in, even on Sundays.• I think I'll go to bed late tonight and sleep in tomorrow.
→ sleep in at sleep1(PHRASAL VERB)