必勝 ひっしょう ほうじゃありませんでした
hisshōhōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 必勝法

1. Wasn't a guaranteed method.; Wasn't a sure-fire way.; Wasn't a winning strategy.

Past/Perfective
Negative
Polite
Terminal Form