縮緬 じりめん雑魚 じゃこではありませんでした
jiri menjakodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 縮緬雑魚

1. Was not a small, patterned crepe fabric.; Was not a common, insignificant person.

Past/Perfective
Negative
Polite
Formal Register