(separable) to invent (a story)
Bill is good at making up stories to get himself out of trouble.
(inseparable) to compensate for something
Max tried to make up for his mistake.
(separable) to reduce prices
K-mart often marks its prices down.
(separable) to write or make a note on something
Max marked the phone number down so that he wouldn't forget it.
(inseparable) to reach a standard or expectation
Mary would not marry Max because she felt he didn't measure up.
(separable) to make disorganized or messy
Please do not mess up the house. We are having guests over tonight.
(inseparable) to progress onwards
Let's move on. I'm tired of talking about that.