preach to the choir
preach to the choir
To try to convince someone about something that they already support; to state one's opinion to those who are already most receptive to it. You're preaching to the choir here—we all have kids and understand how busy life can get. Honestly, you're preaching to the choir, but I just don't have any money to donate.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
preach to the choir
and preach to the convertedFig. to make one's case primarily to one's supporters; to make one's case only to those people who are present or who are already friendly to the issues. There is no need to convince us of the value of hard work. We already know that. You are just preaching to the choir. Don't waste your time telling us about the problem. That's preaching to the choir. Bob found himself preaching to the converted when he was telling Jane the advantages of living in the suburbs. She already hates city life.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
preach to the
choir/converted To argue in favor of a viewpoint already held by one's audience.
See also: preach
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.