中高年 ちゅうこうねんじゃなかったです
chūkōne nja nakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 中高年

1. Wasn't middle-aged/elderly.; Wasn't in middle/old age.

Past/Perfective
Negative
Polite
Casual Register