理論 lǐlùn HSK3 theory Origin Definitions Defs Strokes Stroke Words Sentences Sents lǐlùn theory · reason 理 lǐ verbnoun reason reason; logic; truth; a law or principle governing how things work论 論 lùn noun theory theory; doctrine; view; opinionlǐlùn to argue 理 lǐ verb to pay attention to to pay attention to; to acknowledge or take notice of someone; to respond to another's words论 論 lùn verb to discuss to discuss; to talk about; to research or analyze a topiclǐlùn to pay attention to 理 lǐ verb to pay attention to to pay attention to; to acknowledge or take notice of someone; to respond to another's words论 論 lùn conjunction to consider to mention; to regard or treat as; to take into account