1to mark (homework, exam scripts etc)
2to correct and criticize (an article)
3to check
4to correct
5a correction (to a piece of writing)
Example
ràng让wǒ men我们bǎ把zuò wén作文jiāo gěi交给lǎo shī老师pī gǎi批改ba吧。
让我们把作文交给老师批改吧。
Let's have our composition corrected by the teacher.