1. 睡着：flake off 剥落 | flake out 睡着 | flake white 碳酸

2. (因精疲力竭而)瘫倒(或睡着)：374flaken. 薄片,小片,火花 | 375flake out(因精疲力竭而)瘫倒(或睡着) | 376flaskn. 细颈瓶,烧瓶,小水瓶

3. 睡着(尤指因疲劳而睡着),打瞌睡：waste away 消瘦 | flake out睡着(尤指因疲劳而睡着),打瞌睡 | level off 把...弄平,变平,平整;稳定

4. 因疲劳而睡着：Burn out Phase out 逐步淘汰 | Flake out 因疲劳而睡着 | Spell sth out讲清楚,详细讲解某事

verb

1. change from a waking to a sleeping state

e.g. he always falls asleep during lectures

Synonym: fall asleepdope offdrift offnod offdrop offdoze offdrowse off