死生 しせい不知 ふちじゃなかったです
shiseifuchijanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 死生不知

1. Wasn't aware of life or death.; Didn't know whether they were alive or dead.

Past/Perfective
Negative
Polite
Casual Register