parler à un mur
Meanings
Verb
1. to speak to someone who doesn't listen; to preach to deaf ears (figuratively)
Examples4
J'ai l'impression de parler à un mur.
It's like talking to a brick wall.
Lui donner des conseils, c'est comme parler à un mur.
Giving advice to him is like talking to a brick wall.
Il ne m'écoutera pas. Je pourrais tout aussi bien parler à un mur.
He won't listen. I might as well talk to a brick wall.
C'était comme parler à un mur.
It was like talking to a wall.