adj.失眠的，不能入睡的，没怎么睡的，不眠的

She stayed wakeful all night, waiting for the news.
她整夜保持清醒，等待消息。
The baby was wakeful and fussy, making it hard to get any work done.
婴儿醒着且烦躁不安，使得做事情变得困难。
He maintained a watchful eye on the sleeping child, remaining wakeful.
他警惕地注视着熟睡的孩子，保持着清醒。
Despite her exhaustion, she managed to stay wakeful during the boring meeting.
尽管疲惫不堪，她在冗长的会议中还是设法保持清醒。
The guard kept a wakeful vigil at the gate throughout the night.
守卫整夜在门口保持警觉的守望。
She sipped her coffee to stay wakeful for her late-night shift at the hospital.
她喝咖啡以保持清醒，准备值医院的夜班。
The elderly man found it difficult to maintain wakefulness during the day.
这位老人发现白天很难保持清醒。
The constant noise from the street made it impossible to be wakeful.
街上的持续噪音使人无法保持清醒。
The aroma of fresh-baked bread filled the kitchen, keeping her wakeful with anticipation.
面包刚出炉的香气弥漫厨房，让她满怀期待而难以入睡。
The teacher asked the students to remain wakeful during the lecture, as there would be a quiz later.
老师要求学生们在讲座期间保持清醒，因为稍后会有小测验。