Question

من به اون خوبی کردم ولی اون به من بدی کرد.

Answer 1

I did him a favour / I did good to him but he replied me with evil deed(s)./ but he did me the oppisite.

http://chimigan.com/71806/%D8%A8%D9%87-%D9%87%D8%B1%DA%A9%DB%8C-%D8%AE%D9%88%D8%A8%DB%8C-%DA%A9%D8%B1%D8%AF%D9%85-%D8%A8%D8%AF%DB%8C-%D8%AF%DB%8C%D8%AF%D9%85