YOU SAID:
Hi whats up you have a big head
INTO JAPANESE
こんにちは、あなたは大きな頭を持っています
BACK INTO ENGLISH
Hello you have a big head
INTO JAPANESE
こんにちはあなたは大きな頭を持っています
BACK INTO ENGLISH
Hello you have a big head
That didn't even make that much sense in English.