(as) deaf as a post
US /əz dɛf əz ə poʊst/
UK /əz dɛf əz ə poʊst/

1.
stocktaub, völlig taub
completely deaf or unable to hear well
:
•
My grandmother is as deaf as a post, so you'll have to shout.
Meine Großmutter ist stocktaub, du musst also schreien.
•
I tried to tell him, but he's as deaf as a post.
Ich habe versucht, es ihm zu sagen, aber er ist stocktaub.