乱痴気 らんちきパーティーではありませんでした
ranchikipātiidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 乱痴気パーティー

1. It was not a chaotic, drunken party.; It wasn't a wild, tipsy gathering.

Past/Perfective
Negative
Polite
Formal Register