恶补

tā zuì hòu liǎng gè yuè zài è bǔ yǐ qián de zhī shi

他最后两个月在恶补以前的知识。

He spent the last two months to make up for his previous knowledge.

yǒu liǎng běn yǒu guān kǎo shì rú hé è bǔ de zhǐ dǎo shū jí

有两本有关考试如何恶补的指导书籍。

There are also a couple of how-to books covering the exam cramming.

tā wèi le wǒ jìn rù niú jīn dà xué ér bāng wǒ è bǔ

他为了我进入牛津大学而帮我恶补。

He crammed me for Oxford.

bù yào zài kǎo shì qián è bǔ

不要在考试前恶补。

Don't cram the night before the exam.