YOU SAID:
hello my name is cat and it is my 15 birthday
INTO JAPANESE
こんにちは私の名前は猫、私の 15 歳の誕生日
BACK INTO ENGLISH
Hi my name is cat and my 15-year-old birthday.
INTO JAPANESE
こんにちは私の名前は猫と私の 15 歳の誕生日です。
BACK INTO ENGLISH
Hi my name is cat and my 15-year-old's birthday.
INTO JAPANESE
こんにちは私の名前は猫と私 15 歳の誕生日です。
BACK INTO ENGLISH
Hi my name is cat and my 15-year-old's birthday.
That didn't even make that much sense in English.