上书 Traditional form: 上書 Pinyin (reading): shàngshū Definitions: to write a letter (to the authorities) to present a petition Characters: 上 - above, on top, superior; to go up; to attend; previous 书 - book, letter, document; writing Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 書 - book, letter, document; writing