交際 こうさい上手 じょうずではありませんでした
kōsai jōzudewārimasendeshita

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 interpersonal relations.

Past/Perfective
Negative
Polite
Formal Register