like talking to a (brick) wall
01
used to describe a frustrating or unproductive conversation with someone who is unresponsive or uninterested
Idiom
Informal
例
The teacher's attempts to engage the disinterested student were like talking to a brick wall - the student was unresponsive and disengaged.
Trying to reason with him was like talking to a wall - he refused to listen to any other perspective.
