to mix up: to stir or shake well; to confuse, to bewilder Examples of TO MIX UP We’re going to mix up the team, so we can make sure that you’re playing your strongest position. A wonderful hostess, Amy is always ready to mix up a pitcher of sangria whenever somebody comes by.

to put together: to assemble Examples of TO PUT TOGETHER I just haven’t put together a set list or the structure of how the show will go. No, it was put together when we were rehearsing some music for the second album.

to make a difference (to): to be of importance (to), to affect Examples of MAKE A DIFFERENCE The sociology student just wanted to make a difference in the lives of the poor. “I can’t figure out how to make a difference in this community,” the frustrated politician thought to himself.  

have got to: must (also: have to) Examples of HAVE GOT TO You have got to check out a new restaurant I found; it’s wonderful. I have got to get my essay turned in on time!

in the long run: eventually, after a long period of time Examples of IN THE LONG RUN In the long run, my car accident wasn’t that bad, and it motivated me to be a more cautious driver. Working out was hard, but in the long run, it got easier and made me feel better.

all of a sudden: suddenly, without warning (also: all at once) Examples of ALL OF A SUDDEN It seems like, all of a sudden, you’re mad at me, and I can never figure out why. All of a sudden, the storm subsided and the rain stopped.