n. a change for the better as a result of correcting abuses
n. a campaign aimed to correct abuses or malpractices
n. self-improvement in behavior or morals by abandoning some vice
v. make changes for improvement in order to remove abuse and injustices
n. 改革, 改正, 改造
vt. 改革, 改过, 革新, 重整
vi. 革新, 改过