わり にわとり牛刀 ぎゅうとうじゃなかったです
wariniwatorigyū tōja nakattadesu

Noun
Desu Copula

The polite, past negative form of 割鶏牛刀

1. Wasn't a chicken/bird/small animal/weakling.; Wasn't a cutting-edge/powerful tool.

Past/Perfective
Negative
Polite
Casual Register