be like talking to a brick wall
US /bi laɪk ˈtɔkɪŋ tu ə brɪk wɔl/
UK /bi laɪk ˈtɔkɪŋ tu ə brɪk wɔl/
1.
to try to communicate with someone who is unresponsive or unwilling to listen
:
•
Trying to explain the new policy to him was like talking to a brick wall.
•
I tried to convince her, but it was like talking to a brick wall.