社会改革

• social reform
• do-goodism

例句

1. 她对社会改革有些异想天开的想法。
   She's got some starry-eyed notion about reforming society.
2. 他早年的经历使他变成了一个狂热的社会改革者。
   His early experience turn him into a passionate social reformer.
3. 那位政治家曾是著名的社会改革家。
   The politician was a famous social reformer.