YOU SAID:
Hi i am vivi the greatest
INTO JAPANESE
こんにちは。私はVIVI最高です
BACK INTO ENGLISH
Hi, I am the best at Vivi
INTO JAPANESE
こんにちは、私はViviで最高です
BACK INTO ENGLISH
Hi, I am the best in Vivi
INTO JAPANESE
こんにちは、私はViviで最高です
BACK INTO ENGLISH
Hi, I am the best in Vivi
That didn't even make that much sense in English.