preach to the choir

listen to the pronunciation of preach to the choir
الإنجليزية - التركية
boşuna nefes tüketmek
الإنجليزية - الإنجليزية
Speaking as if to convince a person or group of something which that person or group already believes

Jay Branegan says each side will be preaching to the choir. Democrats will make the argument that's been successful with their base . . . Republicans are merely helping the rich..

try hard to convince someone of something they already believe
preach to the choir
المفضلات