He was up against a tough opponent in the boxing match.

Let's join up with the rest of the group.

Let's meet up somewhere.

You need to pay up before the deadline.

To make the party more exciting, we need to amp up the music.

I need to fix up my car before the trip.

They are gearing up for the big game.

The car cracked up after hitting a tree.

I feel like a grown-up now that I have my own apartment.