身分 みぶん相応 そうおうじゃないです
mibun sō ōjanaidesu

Noun
Desu Copula
na-Adjective
Negation Auxiliary

The polite negative form of 身分相応

1. Not befitting one's status.; Not appropriate for one's position.; It doesn't suit you.

Negative
Polite
Casual Register