費力不討好 fèi lì bù tǎo hǎo

DEFINITIONS

  1. arduous and thankless task (idiom); strenuous and unrewarding

CHARACTERS

費 fèi expenses, expenditures, fee
力 lì power, capability, influence
不 bù no, not; un-; negative prefix
討 tǎo to discuss; ask for, beg; demand; dun; marry
好 hǎo good, excellent, fine; well