fast asleep

英 [fɑːst ə'sliːp] 美 [fæst ə'sliːp]

• 熟睡的

英英释义

Adjective:

1. sleeping deeply;

   "lying fast asleep on the sofa"
   "it would be cruel to wake him; he's sound asleep"
   

近反义词

【近义词】

• sound asleep 熟睡