The idiom "preach to the choir" or "preach to the converted" means to try to convince someone who already agrees with you or who is already on your side. It is like giving a speech or argument to a group of people who already share your beliefs or opinions.
For example, if you are trying to persuade your friend to vote for a particular political candidate, but your friend already supports that candidate, you are "preaching to the choir." Your friend already agrees with you, so your argument is unnecessary.
This idiom is often used to suggest that someone is wasting their time or effort by trying to convince people who already agree with them. It can also be used to criticize someone for not focusing their efforts on persuading people who are not already on their side.
In summary, "preaching to the choir" or "preaching to the converted" means trying to convince someone who already agrees with you, and it is used to suggest that the effort is unnecessary or ineffective.
• The politician was preaching to the converted when he spoke to the crowd of his supporters.
• My mother keeps telling me to eat healthy, but she's preaching to the converted because I already eat healthy.
• The speaker knew she was preaching to the choir when she addressed the conference of experts in her field.
• I don't understand why my friend keeps trying to convince me to watch my favorite TV show, she's preaching to the choir.
• The scientist felt like he was preaching to the converted when he presented his research to the Nobel Prize committee.
• The environmental activist was preaching to the choir when she gave her speech to the crowd of nature enthusiasts.
• As a renowned biologist, I am often invited to speak at conferences where I feel like I'm preaching to the converted since my audience already understands the importance of scientific research.
• The politician's speech on gun control was preaching to the choir at the rally.
• When discussing literature with my book club, I find myself preaching to the choir since we all share a passion for reading.
• I don't need to convince you to eat vegetables, I'm preaching to the choir here.
• Trying to persuade my vegan friend to try plant-based meat options is like preaching to the converted.
• As a climate activist, I often feel like I'm preaching to the choir when speaking to my fellow environmentally-conscious individuals.