第一，迷你对话

A: You look sleepy. Have you been burning the midnight oil recently?

你看上去很疲倦，是最近一直熬夜吧？

B: Yes. I've been preparing for my finals.

是的，我一直在为期末考试做准备。

A: Well, you must have had adequate preparation.

那你一定准备得很充分了。

B: I can't say.

这可不敢说。

第二，地道表达

burn the midnight oil

1. 解词释义

Burn the midnight oil的意思是“（学习或工作）熬夜，开夜车”。

2. 拓展范例

e.g. It looks like we'll have to burn the midnight oil again tonight.

看来我们今晚又要开夜车了。

e.g. The students often burn the midnight oil before a big exam.

学生们在大考之前总会开夜车学习。

e.g. I was up all night burning the midnight oil.

我开了一宿的夜车。

e.g. He’s been burning the midnight oil all week.

他已经开了一周的夜车了。

第三，视野拓展

have a preparation：准备

e.g. The teacher urged his students to have a preparation for the exam.

老师劝他的学生准备考试。

e.g. The teacher instructed the class to have a preparation for a test.

教师通知这一班学生准备测验。