中国 ちゅうごく つうではありませんでした
chūgokutsūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 中国通

1. Was not well-versed in China.; Was not familiar with China.; Was not knowledgeable about China.

Past/Perfective
Negative
Polite
Formal Register