stay awake

• 睡不着, 醒着；保持清醒

stay awake的用法和样例：

例句

1. It is impossible to stay awake when they show slides.
   当他们在放映幻灯片时，要我保持清醒是不可能的。
2. As the afternoon wore away, I found it more and more difficult to stay awake.
   下午慢慢过去，我才发觉越来越难以抗拒睡意。
3. I'm so tired I can hardly (ie only with difficulty) stay awake.
   我疲倦得简直昏昏欲睡。
4. It was a real effort to stay awake through the film.
   真要强打著精神才能看完整部电影。