YOU SAID:

i do not know japanese well. i do not speak japanese

INTO JAPANESE

私は日本語がよくわかりません。日本語を話さない

BACK INTO ENGLISH

I don't understand Japanese well. Don't speak Japanese

INTO JAPANESE

日本語がよくわかりません。日本語を話さない

BACK INTO ENGLISH

I don't understand Japanese well. Don't speak Japanese