にわか仕込 じこみじゃなかったです
niwakajikomijanakattadesu

Noun
Desu Copula

The polite, past negative form of にわか仕込み

1. Wasn't a quick/temporary effort.; Wasn't hastily prepared.; Wasn't a spur-of-the-moment thing.

Past/Perfective
Negative
Polite
Casual Register