(as) deaf as a post
01
全く聞こえない, 聞こえない
completely lacking the ability to hear sounds
idiom
informal
old use
例
Emily turned up the volume on the TV, but her grandfather still could n't hear a thing. He was as deaf as a post and relied on subtitles to follow the dialogue.
叫ばないと — 彼は全く聞こえない。
