报本反始

ensure that you pay debts of gratitude (idiom)

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc

contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切[fan3 qie4] phonetic system

to announce / to inform / report / newspaper / recompense / revenge / CL:份[fen4],張|张[zhang1]

to begin / to start / then / only then