她正在为考试做准备。

She is making preparations for the exam.

她不遗余力地为考试做准备。

She spares no effort in preparing for the exam.

他们一起学习，为考试做准备。

They study together to prepare for the exam.

她夜以继日地学习，为考试做准备。

She studied night and day to prepare for the exam.

他不分昼夜地学习，为考试做准备。

He studies both by day and by night to prepare for the exam.

他决定沉浸在学习中，为考试做准备。

He decided to immerse himself in his studies to prepare for the exam.

这次我必须为考试做准备，这样我就不会再一次不及格了。

I must prepare for the tests this time so that I won't fail again.

除了乔每个人都在为考试做准备。

Everybody is preparing for the exam expect Joe.

你要为考试做准备，你拿不到你想要的A+成绩。只要学习一两个小时，就可以了。

You got to study for a test, so you're not getting that A-plus that you want. As long as you have an hour or two, you should be okay.