いち分別 ぶんべつじゃありませんでした
ichibumbetsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 一分別

1. It wasn't a matter of distinguishing.; It wasn't a matter of differentiating.; It wasn't a matter of telling the difference.

Past/Perfective
Negative
Polite
Terminal Form