百戦 ひゃくせんじゃありませんでした
hyakusenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 百戦

1. It wasn't a hundred battles.; I haven't fought a hundred battles.; It wasn't as if I'd fought a hundred battles.

Past/Perfective
Negative
Polite
Terminal Form