Most people burn the midnight oil whenever they are studying for an exam or have to cram a whole lot of information into their brains.

不管是备考还是浏览信息来充实自己，很多人都喜欢挑灯夜战。

youdao

She's clearly studying and cramming, but it's like trying to cram for an exam when you haven't really taken the class.

CNN: Borger: McCain's bold Palin move becomes a crisis of caution

If you were doing a dance recital you wouldn't start practising an hour before, yet students like to cram for an exam.

BBC: Revision techniques - the good, the OK and the useless