麻雀 まあじゃん てんじゃありませんでした
mājantenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 麻雀店

1. It wasn't a small, humble shop.; It wasn't a back-alley establishment.

Past/Perfective
Negative
Polite
Terminal Form
Mahjong