半数 はんすう必中 ひっちゅう かいではありませんでした
hansūhicchūkaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 半数必中界

1. Was not within the guaranteed half-success range.; Was not a guaranteed half-success.

Past/Perfective
Negative
Polite
Formal Register