YOU SAID:

you are a big party pooper

INTO JAPANESE

あなたは大パーティーの座を争う人です

BACK INTO ENGLISH

You are the one who competes for the big party

INTO JAPANESE

あなたは大パーティーのために競争する人です

BACK INTO ENGLISH

You are the person who competes for big parties

INTO JAPANESE

あなたは大きなパーティーのために競争する人です

BACK INTO ENGLISH

You are the person who competes for big parties