YOU SAID:
This time I will win john!
INTO JAPANESE
今回はジョンに勝ちます!
BACK INTO ENGLISH
This time I will beat John!
INTO JAPANESE
今回はジョンを倒します!
BACK INTO ENGLISH
Defeat John this time!
INTO JAPANESE
今回はジョンを倒せ!
BACK INTO ENGLISH
Defeat John this time!
That didn't even make that much sense in English.