泥棒 どろぼう けずりじゃありませんでした
dorobō kezurija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 泥棒削り

1. It was not a thief's sharpening.; It wasn't a rough sharpening.

Past/Perfective
Negative
Polite
Terminal Form