やまなりでしょう【
山鳴でしょう
】

yamanarideshō

Noun

,

Desu Copula

Expresses probability in a polite manner ("probably…") of やまならし

1. Probably the mountains will rumble.; It will likely be noisy.

Polite

,

Presumptive

,

Conjecture

,

Usually Written in Kana