動詞 stay up:

1. not go to bed
   同義詞：sit up

1. Afterwards she relented and let the children stay up late to watch TV.
   後來她寬容了些，讓孩子們晚睡看電視。
2. I am going to stay up late to finish my paper.
   為了完成報告我打算熬夜不睡。
3. Do you always stay up?
   你經常熬夜嗎?
4. The poster only stayed up a few hours, before it was stolen.
   那張海報貼上去沒幾個小時就讓人給偷走了。