YOU SAID:

go away because i hate you and we need a party

INTO JAPANESE

私はあなたが嫌いだし、パーティーが必要だから立ち去る

BACK INTO ENGLISH

I hate you and leave because I need a party

INTO JAPANESE

私はあなたが嫌いで、パーティーが必要なので去ります

BACK INTO ENGLISH

I hate you and leave because I need a party