YOU SAID:

I'm not completely fluent in Nihongo

INTO JAPANESE

私は完全にNihongoに流暢ではない

BACK INTO ENGLISH

I am not fluent in Nihongo completely

INTO JAPANESE

私は完全に日本語に堪能ではない

BACK INTO ENGLISH

I am not fully fluent in Japanese

INTO JAPANESE

私は日本語を十分に堪能していない

BACK INTO ENGLISH

I do not enjoy enough to Japan

INTO JAPANESE

私は日本に十分をお楽しみください。

BACK INTO ENGLISH

I enjoy 10 minutes in Japan.

INTO JAPANESE

私は日本で 10 分をお楽しみください。

BACK INTO ENGLISH

I enjoy 10 minutes in Japan.