硬骨 こうこつじゃありませんでした
kōkotsujārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 硬骨

1. Wasn't strong-willed.; Wasn't resilient.; Wasn't tough.

Past/Perfective
Negative
Polite
Terminal Form