YOU SAID:
if it ain't broke dont fix it
INTO JAPANESE
それが壊れていない場合は、それを修正しないでください
BACK INTO ENGLISH
If it's not broken, don't fix it
INTO JAPANESE
壊れていない場合は、修正しないでください
BACK INTO ENGLISH
If it's not broken, don't fix it
You've done this before, haven't you.