YOU SAID:
Dog has a big fat balloon
INTO JAPANESE
犬は大きな太い気球を持っています
BACK INTO ENGLISH
The dog has a big thick balloon
INTO JAPANESE
犬は大きな太い風船を持っています
BACK INTO ENGLISH
Dog has big, big balloon
INTO JAPANESE
犬は大きくて大きな風船を持っています
BACK INTO ENGLISH
Dogs have big and big balloons
INTO JAPANESE
犬は大きくて大きな風船を持っている
BACK INTO ENGLISH
Dogs have big and big balloons
Come on, you can do better than that.