未入睡的,警觉的,时刻戒备的;
It's so tired that they are unsleeping all night.
他们整整一夜没睡觉,累坏了。
I have always watched her performances, it kept me busy through unsleeping nights, and it gave me sweet dreams during the day.
我总是去看她的演出,让我在不眠的黑夜保持忙碌,有给我白天的美梦。
Caffeine makes people nervous and unsleeping.
咖啡因是人们紧张和难以入睡.
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