交際 こうさい上手 じょうずじゃありませんでした
kōsaijōzujārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of 交際上手

1. Was not good at socializing.; Was not skilled at interacting with others.

Past/Perfective
Negative
Polite
Terminal Form