YOU SAID:
Hello there best friend in the whole wide world
INTO JAPANESE
こんにちは、全世界の親友です
BACK INTO ENGLISH
Hello, this is a close friend of the whole world
INTO JAPANESE
こんにちは、これは全世界の親友です
BACK INTO ENGLISH
Hello, this is the best friend of the whole world
INTO JAPANESE
こんにちは、これは全世界の親友です
BACK INTO ENGLISH
Hello, this is the best friend of the whole world
That didn't even make that much sense in English.