YOU SAID:
My baby is farting loudly
INTO JAPANESE
私の赤ちゃんは大きな音でおならをしています
BACK INTO ENGLISH
my baby is farting loudly
INTO JAPANESE
私の赤ちゃんは大声でおならをしています
BACK INTO ENGLISH
my baby is farting loudly
That didn't even make that much sense in English.