YOU SAID:
Seriously opponent, stop scoring I'm trying to start a club here and you are not making it any easier
INTO JAPANESE
真剣に対戦し、得点を止める
BACK INTO ENGLISH
Fight seriously and stop scoring
INTO JAPANESE
真剣に戦って得点を止める
BACK INTO ENGLISH
Fight seriously and stop scoring
That didn't even make that much sense in English.