ずさんじゃありませんでした
杜撰じゃありませんでした
zusanjārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of ずさん

1. Was not fabricated.; Was not made up.; Was not invented.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana