YOU SAID:
Your boyfriend is cheating on you with Amy
INTO JAPANESE
あなたのボーイフレンドはエイミーとあなたをだましている
BACK INTO ENGLISH
your boyfriend is cheating on you with amy
INTO JAPANESE
あなたのボーイフレンドはエイミーと浮気しています
BACK INTO ENGLISH
your boyfriend is cheating on you with amy
That didn't even make that much sense in English.