deaf as a doorpost

not-comparable

(simile) stone deaf (unable to hear at all)

Japanese Meaning

全く耳が聞こえない、聴覚が全くない状態を表す / 極端に耳が聞こえない様子

Even with the music blasting, he was deaf as a doorpost and didn't notice the noise.

音楽が大音量で流れていても、彼は全く耳が聞こえず、騒音に気づかなかった。

Sense（1）

(simile) stone deaf (unable to hear at all)

And grandmother sat in her rocker before the fireplace, deaf as a doorpost and half-blind as well.