庄重zhuāng zhòng
grave, solemn, dignified序言xù yán
preface, introductory remarks应邀yìng yāo
at sb's invitation, on invitation应酬yìng chou
social niceties, social interaction庞大páng dà
huge, enormous, tremendous废除fèi chú
to abolish, to abrogate, to repeal座右铭zuò yòu míng
motto, maxim