老于世故

experienced in the ways of the world (idiom); worldly-wise / sophisticated

prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity / old (of people) / venerable (person) / experienced / of long standing / always / all the time / of the past / very / outdated / (of meat etc) tough

to go / to take / sentence-final interrogative particle / variant of 於|于[yu2]

(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by

surname Shi

life / age / generation / era / world / lifetime / epoch / descendant / noble

the ways of the world

sophisticated / worldly-wise

happening / instance / reason / cause / intentional / former / old / friend / therefore / hence / (of people) to die, dead