ずさんでわありませんでした
杜撰ではありませんでした
zusandewārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of ずさん

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

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana