speak someone's language
speak (one's) language
To say something or communicate in a way that aligns with one's preferences, desires, motivations, etc. A: "Look, I know all this technical jargon is pretty boring. Why don't we finish early for the day and go out for pizza?" B: "Oh yeah, now you're speaking my language!" A: "I'm a little worried about pitching my idea to the board of directors tomorrow." B: "Just focus on how your plan will boost profits, and you'll be speaking their language."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
speak someone’s language
tv. to say something that one agrees with or understands. I gotcha. Now you’re speaking my language.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.