爆弾 ばくだん発表 はっぴょうじゃなかったです
bakudanhappyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 爆弾発表

1. Wasn't a bombshell announcement.; Wasn't a surprising revelation.

Past/Perfective
Negative
Polite
Casual Register