首先我们来看最常见的 stay up的用法，然后我们再学习其他4项表达。

1. stay up 熬夜

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I like to stay up late watching TV during holidays.

假期我喜欢熬夜看电视。

2. sit up 熬夜

I promised my mother that I would never sit up late again.

我向妈妈保证我不会再熬夜了。

3. burnthemidnightoil 开夜车；熬夜

Tom is going to burn the midnight oil to finish his winter vacation homework.

Tom打算熬夜写完寒假作业。

4. pull an all-nighter 熬夜通宵；开夜车

Tim had to pull an all-nighter in order to finish the task at the end of the month.

为了在月底完成这项任务，Tim 晚上不得不熬夜通宵了。

5. keep late hours 晚睡晚起

Nowadays, more and more young people like to keep late hours.

如今，越来越多年轻人都喜欢晚睡晚起了。

好了，我们已经学完了“熬夜”的5种表达，不过日常生活中最好还是少熬夜的哈！