用心 ようじん堅固 けんごじゃなかったです
yōjin kengojanakattadesu

Noun
Desu Copula
na-Adjective

The polite, past negative form of 用心堅固

1. Wasn't resolute.; Wasn't determined.; Wasn't steadfast.

Past/Perfective
Negative
Polite
Casual Register