with obj.
1
- make changes in (something, typically a social, political, or economic institution or practice) in order to improve it改革（尤指社会、政治、经济体制或做法）：
the Bill will reform the health benefits system.
法案将改革医疗补助制度。
1.1
- bring about a change in (someone) so that they no longer behave in an immoral, criminal, or self-destructive manner改造, 使改过自新：
the state has a duty to reform criminals
国家有责任改造犯人
as adj. reformed I'm considered a reformed character these days.如今我被看做一个改过自新的人。
1.2
- no obj.(of a person) change oneself in such a way改过, 改过自新：
it was only when his drunken behaviour led to blows that he started to reform.
要不是酒后闹出了事, 他是不会改过自新的。
2
- Chemistry subject (hydrocarbons) to a catalytic process in which straight-chain molecules are converted to branched forms for use as petrol【化】（石油炼制）重整。
mass noun
- the action or process of reforming an institution or practice改革, 修订：
the reform of the divorce laws
对离婚法的修订
count noun economic reforms.经济改革。
派生词
reformable
adjectivereformative
adjectivereformer
noun词源
Middle English （as a verb in the senses 'restore (peace)' and 'bring back to the original condition'）： from Old French reformer or Latin reformare, from re- 'back' + formare 'to form, shape'. The noun dates from the mid 17th cent.