YOU SAID:

my dog is better then your dog, but your cat is better then my cat

INTO JAPANESE

私の犬はあなたの犬の方が良いですが、あなたの猫は私の猫の方が良いです

BACK INTO ENGLISH

My dog is better than your dog, but your cat is better than my cat.

INTO JAPANESE

私の犬はあなたの犬より優れていますが、あなたの猫は私の猫より優れています。

BACK INTO ENGLISH

My dog is better than your dog, but your cat is better than my cat.