中高年 ちゅうこうねん しゃではありませんでした
chūkōnenshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 中高年者

1. Was not a middle-aged or elderly person.; Was not of middle age or older.

Past/Perfective
Negative
Polite
Formal Register