wakeful
- adj. 醒着的；失眠的；警觉的
英英释意
- 1. carefully observant or attentive; on the lookout for possible danger;
- "a policy of open-eyed awareness"
- "the vigilant eye of the town watch"
- "there was a watchful dignity in the room"
- "a watchful parent with a toddler in tow"
- 2. (of sleep) easily disturbed;
- "in a light doze"
- "a light sleeper"
- "a restless wakeful night"