用心 ようじん堅固 けんごではありませんでした
yōjin kengodewārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of 用心堅固

1. Was not resolute.; Was not steadfast.; Was not firm.

Past/Perfective
Negative
Polite
Formal Register