YOU SAID:
Should thou turn foe to me
INTO JAPANESE
私に敵対するなら
BACK INTO ENGLISH
If you're against me
INTO JAPANESE
もしあなたが私に反対するなら
BACK INTO ENGLISH
If you disagree with me
INTO JAPANESE
もしあなたが私の意見に同意しないなら
BACK INTO ENGLISH
If you don't agree with me
INTO JAPANESE
もし私の意見に同意しないなら
BACK INTO ENGLISH
If you don't agree with my opinion
INTO JAPANESE
私の意見に同意しないなら
BACK INTO ENGLISH
If you don't agree with my opinion
That didn't even make that much sense in English.