YOU SAID:

its raining cats 'n' dogs

INTO JAPANESE

その雨が降って猫 'n' 犬

BACK INTO ENGLISH

That raining cat 'n' dog

INTO JAPANESE

その猫を雨が降って 'n' 犬

BACK INTO ENGLISH

It's raining that cat 'n' dog

INTO JAPANESE

それは猫の犬を雨が降っている

BACK INTO ENGLISH

It's raining cat dog

INTO JAPANESE

雨が

BACK INTO ENGLISH

It's raining.

INTO JAPANESE

雨が

BACK INTO ENGLISH

It's raining.