YOU SAID:

wait at the party we will go home together

INTO JAPANESE

一緒に家に帰るパーティーで待ちます

BACK INTO ENGLISH

I will wait at the party to go home together

INTO JAPANESE

パーティーに一緒に家に帰るのを待ちます

BACK INTO ENGLISH

Wait for the party to go home

INTO JAPANESE

パーティーが家に帰るのを待つ

BACK INTO ENGLISH

Wait for the party to go home