YOU SAID:
happy birthday you are stinky
INTO JAPANESE
お誕生日おめでとう、あなたは臭いです
BACK INTO ENGLISH
Happy Birthday, you stink
INTO JAPANESE
お誕生日おめでとう、あなたは悪臭を放つ
BACK INTO ENGLISH
Happy Birthday, you stink
That didn't even make that much sense in English.