YOU SAID:
it isnt over till the fat lady sings
INTO JAPANESE
太った女性が歌うまでは終わらない
BACK INTO ENGLISH
It does not end until a fat woman sings
INTO JAPANESE
太った女性が歌うまで終わりません
BACK INTO ENGLISH
It does not end until a fat woman sings
That didn't even make that much sense in English.