他经常熬夜。

He often sits up late.

youdao

他工作的时候，经常通宵熬夜，睡得很迟。

When he was working, he stayed up all night and slept late.

youdao

他经常晚上熬夜。

I often keep up late.

youdao

考试前，他经常通宵达旦的熬夜。

Before the exam, he usually burns the midnight oil.

youdao

考试前，他经常通宵达旦的熬夜。

Before the exam, he usually burns the midnight oil.

youdao