YOU SAID:
It is raining cats and most important dogs
INTO JAPANESE
雨が降っている猫と最も重要な犬です
BACK INTO ENGLISH
It is raining cats and dogs are the most important
INTO JAPANESE
猫を雨が降っていると犬が最も重要
BACK INTO ENGLISH
It is raining cats and dogs is the most important
INTO JAPANESE
猫を雨が降っていると犬が最も重要
BACK INTO ENGLISH
It is raining cats and dogs is the most important
That didn't even make that much sense in English.