てきめんじゃありません
覿面じゃありません
tekimenjārimasen

Noun
Desu Copula
na-Adjective
Negation Auxiliary

The polite negative form of てきめん

1. It is not as it appears.; It's not what it seems.; It is not the true face.

Negative
Polite
Terminal Form
Usually Written in Kana