突発 とっぱつ せい難聴 なんちょうではありませんでした
toppatsu sei nanchōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 突発性難聴

1. Was not sudden hearing loss.; Was not sudden deafness.

Past/Perfective
Negative
Polite
Formal Register
Medicine