wake·ful /ˈwekfəl/
 (a.)覺醒的,失眠的
 wake·ful /ˈwekfəl/ 形容詞
 Wake·ful a. Not sleeping; indisposed to sleep; watchful; vigilant.
    Dissembling sleep, but wakeful with the fright.   --Dryden.
 -- Wake*ful*ly, adv. -- Wake*ful*ness, n.
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 wakeful
      adj 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" [syn: argus-eyed, open-eyed, vigilant,
              watchful]
      2: (of sleep) easily disturbed; "in a light doze"; "a light
         sleeper"; "a restless wakeful night" [syn: light]