YOU SAID:

Hi my name is I don't know

INTO JAPANESE

こんにちは私の名前はわからない

BACK INTO ENGLISH

Hello my name is not known

INTO JAPANESE

こんにちは私の名前は不明です

BACK INTO ENGLISH

Hello my name is unknown

INTO JAPANESE

こんにちは私の名前は不明です

BACK INTO ENGLISH

Hello my name is unknown