YOU SAID:
What if we were to all live in the world at once in peace
INTO JAPANESE
一生懸命に世界に住んでいたら
BACK INTO ENGLISH
If I lived in the world hard
INTO JAPANESE
私が世界に住んでいれば
BACK INTO ENGLISH
If I live in the world
INTO JAPANESE
私が世界に住んでいれば
BACK INTO ENGLISH
If I live in the world
That didn't even make that much sense in English.