stay awake的用法和樣例：
例句
- It is impossible to stay awake when they show slides.
當他們在放映幻燈片時，要我保持清醒是不可能的。 - As the afternoon wore away, I found it more and more difficult to stay awake.
下午慢慢過去，我才發覺越來越難以抗拒睡意。 - I'm so tired I can hardly (ie only with difficulty) stay awake.
我疲倦得簡直昏昏欲睡。 - It was a real effort to stay awake through the film.
真要強打著精神才能看完整部電影。
