YOU SAID:
hello, it raining cats and dog out there.
INTO JAPANESE
こんにちは、そこに猫や犬が降っています。
BACK INTO ENGLISH
Hello there are cats and dogs there.
INTO JAPANESE
こんにちはそこに猫と犬がいます。
BACK INTO ENGLISH
Hello there are cats and dogs there.
That didn't even make that much sense in English.