What do you mean by observing what you say?

Observe what you do. [ chá yán guān xíng ]?

new words

basic definitions? Detailed explanation?

[ chá yán guān xíng ]

means to know people by observing their words and deeds.

Chu Chu

Jin Yuan Hong's "Ji Wu of Xian Di in the Post-Han Dynasty": "The ancients observed words and deeds, but the good and the evil revealed themselves."

near antonym

near synonym

observe what you say and listen to what you do.