adj.无眠的；睡不着的；警觉的
用作形容词 (adj.) She was worn-out after three sleepless nights.
三夜未眠之后，她已筋疲力尽了。
She looked pale and drawn after weeks of sleepless nights.
她经历了数周不眠之夜，看上去脸色苍白，形容憔悴。
He was lying on the sleepless bed.
他躺在床上睡不着。
The situation gave her many sleepless nights.
这种情况害她一连好多天睡不好觉。
Her irresponsible behaviour cost her father many sleepless nights.
她那不负责任的行为使她父亲许多夜不得安眠。
Because of the cold weather, they are now preparing for a sleepless night.
由于寒冷的天气
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