burn-the-mid-night-oil

burn-the-mid-night-oil什么意思,burn-the-mid-night-oil翻译

例句

• In order not to disturb the routines in the school, I often burn the mid night oil on weekend.

  为了不耽误正常学习，我通常是在周末的夜里准备作品。

• Did you burn the mid-night oil again last night?

  你昨晚又熬夜了吗？