YOU SAID:
raining cats and dogs outside
INTO JAPANESE
外では猫や犬に雨が降っている
BACK INTO ENGLISH
Outside it's raining on cats and dogs
INTO JAPANESE
外では猫と犬に雨が降っています
BACK INTO ENGLISH
Outside it's raining cats and dogs
INTO JAPANESE
外は雨が降っている 猫と犬
BACK INTO ENGLISH
It's raining outside cat and dog
INTO JAPANESE
猫と犬の外は雨が降っています
BACK INTO ENGLISH
It's raining outside cat and dog
That didn't even make that much sense in English.