opinion; view; theory; doctrine; to discuss; to talk about; to regard; to consider; per; by the (kilometer, hour etc)

abbr. for 論語|论语[Lun2 yu3], The Analects (of Confucius)

forum (for discussion)

argument; line of reasoning; thesis; point (of discussion)

to prove a point; to expound on; to demonstrate or prove (through argument); proof