urn the midnight oil

• (学习、工作)到深夜； 开夜车

urn the midnight oil的用法和样例：

例句

1. He often works far into the night.
   他常常工作到深夜。
2. I had to burn the midnight oil to finish my report.
   我得工作到深夜才能完成报告。
3. Now he could burn the midnight oil unmolested.
   现在他可以不受干扰地开夜车了。
4. Buring the midnights oil is never a good idea.
   开夜车总不是一个好办法。