はしぶとうみがらすでしょう
嘴太海烏でしょう
wa shibutō migara sudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of はしぶとうみがらす

1. Probably…; ; It will likely be a disaster.; It will likely fail.

Polite
Presumptive
Conjecture
Usually Written in Kana