怠業 たいぎょう戦術 せんじゅつではありませんでした
ta igyōsenjutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 怠業戦術

1. Was not a tactic of neglecting work.; Was not a work-neglect strategy.

Past/Perfective
Negative
Polite
Formal Register