有害無利

harmful and without benefit (idiom); more harm than good

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

destructive / harmful / damaging

to do harm to / to cause trouble to / harm / evil / calamity

not to have / no / none / not / to lack / un- / -less

no profit / not profitable / a hindrance / (to lend money) at no interest

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit