飽人不知餓人飢

The well-fed cannot know how the starving suffer (idiom).

to eat till full / satisfied

person; people / CL:個|个[ge4],位[wei4]

no; not so / (bound form) not; un-

not to know / unaware / unknowingly / fig. not to admit (defeat, hardships, tiredness etc)

to know / to be aware

to be hungry / hungry / to starve (sb)

(bound form) hungry