YOU SAID:
I walked to the party on the eighth floor
INTO JAPANESE
私は8階のパーティーまで歩いた
BACK INTO ENGLISH
I walked up to the party on the eighth floor
INTO JAPANESE
私は8階のパーティーまで歩いた
BACK INTO ENGLISH
I walked up to the party on the eighth floor
You've done this before, haven't you.