有百害而無一利

having no advantage whatsoever

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

hundred / numerous / all kinds of

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

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

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

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

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