安楽あんらく椅子いす探偵たんていじゃなかったです
anrakuisutanteijanakattadesu

Noun
Desu Copula

The polite, past negative form of 安楽椅子探偵

1. Wasn't an armchair detective.; Wasn't a comfortable chair detective.

Past/Perfective
Negative
Polite
Casual Register