do-gooder
英 [ˈduː ɡʊdə(r)]
美 [ˈduː ɡʊdər]
n. 帮倒忙的人; 帮忙不得法的人
复数：do-gooders
牛津词典
noun
- 帮倒忙的人；帮忙不得法的人
a person who tries to help other people but who does it in a way that is annoying
柯林斯词典
- 帮倒忙的人;好心办坏事的人
If you describe someone as ado-gooder, you mean that they do things which they think will help other people, although you think that they are interfering.
英英释义
noun
- someone devoted to the promotion of human welfare and to social reforms