a Japanese
a Japanese
something made in Japan
日本特有の
the Japanese
They don't know Japan well.
I don't know anything about Japan.
They don't know that I'm Japanese.
I don't know much about Japanese music.
I don't know much about Japanese tradition.
the Japanese language―the Japanese tongue-Japanese
There are lots of things I don't know about Japanese.
Apparently, John can understand a little Japanese.
a non-Japanese person who knows well about the history of Japan