つまびらかじゃなかったです
詳らかじゃなかったです
tsumabirakajanakattadesu

Desu Copula
na-Adjective

The polite, past negative form of つまびらか

1. Wasn't clear.; Wasn't obvious.; Wasn't detailed.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana