半数 はんすう必中 ひっちゅう かいじゃなかったです
hansūhicchūkaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 半数必中界

1. Wasn't a 50/50 chance.; Wasn't a sure thing.

Past/Perfective
Negative
Polite
Casual Register