stay up

动词 stay up:

1. not go to bed
   同义词：sit up

1. Afterwards she relented and let the children stay up late to watch TV.
   後来她宽容了些，让孩子们晚睡看电视。
2. I am going to stay up late to finish my paper.
   为了完成报告我打算熬夜不睡。
3. Do you always stay up?
   你经常熬夜吗?
4. The poster only stayed up a few hours, before it was stolen.
   那张海报贴上去没几个小时就让人给偷走了。