dope off

Từ điển Oxford Learners Wordfinder Dictionary

verb

change from a waking to a sleeping state
- he always falls asleep during lectures
• Syn:
fall asleep, flake out, drift off, nod off, drop off,
doze off, drowse off
• Ant:
wake up (for: fall asleep)
• Hyponyms:
zonk out
• Verb Frames:
- Somebody ----s