自家 じか薬籠 やくろう ちゅう ものじゃありませんでした
jikaya kurōchūno monojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自家薬籠中の物

1. It wasn't something I was prepared for.; It wasn't something I had up my sleeve.; It wasn't something I was capable of handling.

Past/Perfective
Negative
Polite
Terminal Form