螺鈿 らでん細工 さいくではありませんでした
radensaikudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 螺鈿細工

1. Was not mother-of-pearl inlay.; Was not inlaid with mother-of-pearl.

Past/Perfective
Negative
Polite
Formal Register