YOU SAID:
how's it going to be when you do not know me
INTO JAPANESE
あなたが私を知らないときはどうなるでしょう
BACK INTO ENGLISH
What if you don't know me
INTO JAPANESE
あなたが私を知らない場合はどうなりますか
BACK INTO ENGLISH
What if you don't know me
That didn't even make that much sense in English.