carefully observant or attentive; on the lookout for possible danger
同义词：argus-eyed, open-eyed, vigilant, watchful
(of sleep) easily disturbed
同义词：light
marked by full consciousness or alertness
同义词：waking
wakeful例句
She had a wakeful night spent in prayer.
她整夜祈祷。
He was wakeful yesterday.
他昨天没有睡着。
wakeful详细解释
wake.ful adj.（形容词） Not sleeping or not able to sleep.醒的：没入眠或无法进入睡眠的Without sleep; sleepless.失眠的：无睡意的；失眠的Watchful; alert.观望的，警觉的 【引伸】 wake.fully adv.（副词）wake.fulness n.（名词）
