無疾而終

to die peacefully / (fig.) to result in failure (without any outside interference) / to come to nothing / to fizzle out

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

(bound form) disease; ailment / (bound form) swift / (literary) to hate; to abhor

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

end / finish