1 [T] to change a system, the law, etc in order to make it better 改革，改良（制度、法律等）: to reform the examination system 改革考试制度

2 [I,T] to improve your behaviour; to make sb do this （使）改过自新 · Our prisons aim to reform criminals, not simply to punish them. 我们设立监狱的目的在使罪犯改过自新，而非只是要惩罚他们。 reform noun [C,U]