ぬまとらのおじゃありません
沼虎の尾じゃありません
numa toranōjārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of ぬまとらのお

1. It is not a swamp tiger's tail.; It's not a trivial matter.

Negative
Polite
Terminal Form
Usually Written in Kana