わり にわとり牛刀 ぎゅうとうではありませんでした
wariniwatorigyūto udewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 割鶏牛刀

1. Was not a cleaver for cutting chickens and cows.; Was not a cleaver suitable for chickens and cows.

Past/Perfective
Negative
Polite
Formal Register