YOU SAID:

I was going into the house, when all of a sudden it started raining cats and dogs

INTO JAPANESE

家に入ると、突然猫や犬が雨が降り始めました

BACK INTO ENGLISH

Entering the house, suddenly cats and dogs began to rain

INTO JAPANESE

家に入ると、突然猫と犬が雨が降り始めました

BACK INTO ENGLISH

Entering the house, suddenly a cat and a dog began to rain

INTO JAPANESE

家に入ると、突然猫と犬が雨が降り始めました

BACK INTO ENGLISH

Entering the house, suddenly a cat and a dog began to rain