YOU SAID:
If you don't have nothing nice to say, don't say nothing at all.
INTO JAPANESE
何も言いたくない人がいないなら、何も言わないでください。
BACK INTO ENGLISH
If there is no one who does not want to say anything, please do not say anything.
INTO JAPANESE
何も言いたくない人がいない場合は、何も言わないでください。
BACK INTO ENGLISH
If there is no person who does not want to say anything, please do not say anything.
INTO JAPANESE
何も言いたくない人がいない場合は、何も言わないでください。
BACK INTO ENGLISH
If there is no person who does not want to say anything, please do not say anything.
That didn't even make that much sense in English.