ㄐㄧㄝˊㄕㄣˋㄏㄠˋjiéshēn‑zìhào

洁身自好
  1. 汙濁環境保持自身純潔只顧自己公眾置之不理 十里洋場潔身自好」、教育不能滿足潔身自好」。

clean-living and honest (idiom)​; to avoid immorality, to shun evil influence, to mind one's own business and keep out of trouble, to keep one's hands clean
se respecter, garder sa dignité, se conserver pur et intègre, garder sa pureté sans se mêler dans les affaires louches
sich aus etwas heraushalten wollen (V)​