著书立说 zhùshūlìshuō to write scholarly works Origin Definitions Defs Strokes Stroke Words Sentences Sents 著书 著書 zhùshū to write a book To write or author a book or literary work.立说 立說 lìshuō to establish a theory To formulate or establish a theory or a systematic school of thought; often used in the context of writing books to present one's ideas.