著书立说 zhù shū lì shuō

DEFINITIONS

  1. to write a book advancing one's theory (idiom)

CHARACTERS

著 zhù
HSK 4
manifest; (Cant.) to wear
书 shū
HSK 1
book, letter, document; writings
立 lì
HSK 5
stand; let stand; establish, set
说 shuō
HSK 1
speak, say, talk; scold, upbraid