| 单词 | fast asleep |
| 释义 | fast asleep phrase B2 See full dictionary entry for asleep Someone who is fast asleep or sound asleep is sleeping deeply. They were both fast asleep in their cots. Turning over, she was soon sound asleep again. fast asleep phrase B2 See full dictionary entry for fast Someone who is fast asleep is completely asleep. When he went upstairs five minutes later, she was fast asleep. |
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