stone deaf
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌstone ˈdeaf adjective MHHEARcompletely unable to hear 完全聋的
Examples from the Corpus
stone deaf• It was almost impossible to tell them apart, except that Arthur was stone deaf.• The following morning she was struck with a heavy fever and by the end of the day she was stone deaf.• That was another of Eunice Snell's theories, that he was a bit weak in the head and probably stone deaf too.ˌstone ˈdeaf adjectiveChineseSyllable
unable to Corpus completely hear
stone deaf
ˌstone ˈdeaf
adjective
completely unable to hear
ˌstone ˈdeaf
adjectivecompletely unable to hear