胸突 むなつ八丁 はっちょうではありませんでした
munatsuki hacchōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 胸突き八丁

1. Was not the eighth district of chest-thrusting.; Was not a master of close combat.

Past/Perfective
Negative
Polite
Formal Register