YOU SAID:
Hello, My dog is big and floofy
INTO JAPANESE
こんにちは、私の犬は大きく、フロフィーです
BACK INTO ENGLISH
Hello, my dog is big, it is Frofie
INTO JAPANESE
こんにちは、私の犬は大きいです、それはFrofieです
BACK INTO ENGLISH
Hello, my dog is big, it is Frofie
You've done this before, haven't you.