好心沒好報 的英文怎麼說?

[1] No good deed goes unpunished.[2] Beneficial actions often go unappreciated or are met with hostility.[3] Kind deeds often go unappreciated.[4] Kindness isn't always appreciated.[5] Being nice isn't always appreciated.

No good deed goes unpunished = 做好事的人會受到懲罰，是正統的英文成語

Beneficial actions often go unappreciated or are met with hostility. = 人通常不感謝做好事的人，甚至欺負他

也可以白話的翻出