verb, particle, punctuation, expression, idiom, noun, pronoun, modal particle, adverb, measure word, suffix · to speak, talk, or express thoughts and information in words

他没说他什么时候来。

verb, particle · to persuade

他四处游说，希望争取更多选票。

verb, particle · to explain, interpret, or comment on a situation or topic

你能说一下其中的理由吗？

verb · to feel happy or pleased (an archaic form of 悦 yuè)

学而时习之，不亦说乎？

verb · to reprimand, criticize, or tell someone off for a mistake

他又因为迟到被老师说了。

noun · a formal doctrine, theory, or specific school of thought (often as a bound form)

这就是著名的日心说。