YOU SAID:
it's raining cats and dogs and a donkey
INTO JAPANESE
猫と犬とロバに雨が降って
BACK INTO ENGLISH
It's raining cats and dogs and donkeys
INTO JAPANESE
それは猫や犬を雨が降っているとロバ
BACK INTO ENGLISH
It's raining cats and dogs and donkeys
That didn't even make that much sense in English.