YOU SAID:
When in Rome, do as the Roman's do
INTO JAPANESE
ローマにいるときは、ローマ人のように
BACK INTO ENGLISH
When you are in Rome, like a Roman
INTO JAPANESE
あなたがローマにいるとき、ローマ人のように
BACK INTO ENGLISH
When you are in Rome, like a Roman
That didn't even make that much sense in English.