YOU SAID:
hello I am 21 years old
INTO JAPANESE
こんにちは私は21歳です
BACK INTO ENGLISH
Hi i am 21 years old
INTO JAPANESE
こんにちは、21歳です
BACK INTO ENGLISH
Hello, I'm 21 years old
INTO JAPANESE
こんにちは、21歳です
BACK INTO ENGLISH
Hello, I'm 21 years old
Come on, you can do better than that.