せぐろせきれいでわありません
背黒鶺鴒ではありません
seguro sekireidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of せぐろせきれい

1. Not a black nightingale.; Not dark-hearted.

Negative
Polite
Formal Register
Usually Written in Kana