YOU SAID:
HI I'm Arianna! I have 12 years old!
INTO JAPANESE
こんにちは、アリアナです! 12歳になりました!
BACK INTO ENGLISH
Hello, I'm Ariana! I turned 12!
INTO JAPANESE
こんにちは、アリアナです! 12歳になりました!
BACK INTO ENGLISH
Hello, I'm Ariana! I turned 12!
That didn't even make that much sense in English.