preach to deaf ears

To present arguments to or attempt to persuade or advise those who have no inclination to change their opinion or belief. You're preaching to deaf ears if you think you can convince these kids to stay away from alcohol before they turn 21. Even though they know they're preaching to deaf ears, the hate group makes a point of holding protests outside churches and the funerals of slain soldiers.

Common Names:

Name	Pronounced	Usage
Eero	E:-ro	Finnish
Kamil (1)	-	Arabic
Fatsani	fah-TSAH-nee	Southern African, Chewa
Emmanouel	-	Biblical Greek
Zbignev	-	Medieval Slavic
Lolita	lo-LEE-tah	Spanish