薬籠 やくろう ちゅう ものじゃありません
yakurōchūno monojārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 薬籠中の物

1. It's not something to be kept in a medicine chest.; I'm no expert.; I'm not qualified.

Negative
Polite
Terminal Form