すずめのてっぽうでしょう
雀の鉄砲でしょう
suzumeno teppōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of すずめのてっぽう

1. Probably a fluke.; Probably a lucky shot.

Polite
Presumptive
Conjecture
Usually Written in Kana