素人 しろうと細工 さいくじゃなかったです
shirōtosaikujanakattadesu

Noun
Desu Copula

The polite, past negative form of 素人細工

1. Wasn't handmade.; Wasn't amateurish.; Wasn't a DIY project.

Past/Perfective
Negative
Polite
Casual Register