stone deaf

are you deaf

A rhetorical question asked to confront a nondeaf interlocutor who has failed to hear something.

carved in stone

Unchangeable.

cast the first stone

To act self-righteously in accusing another person, believing oneself to be blameless.

get blood out of a stone

To do something difficult, frustrating, or pointless.

kill two birds with one stone

To solve two problems with one single action.

leave no stone unturned

To search or investigate thoroughly.

preach to deaf ears

To attempt to persuade a party that does not wish to listen or cannot be altered in its conviction.

rolling stone

A person who moves around a lot and never settles down; a vagrant.