1. “screw...up” p.v. [informal]When you damage something or do something wrong or badly, you “screw up” or you “screw up” what you are doing.*I tried to assemble my computer last week, but I couldn’t do it, and I just screwed it up instead.*Lisa sent her husband a letter that she wrote to her boyfriend. She sure “screwed up.”2. “screw...up” p.v. [informal] When people make a mistake that causes a problem for you, they screw you up.*The travel agent forgot to confirm my flight, and it really “screwed” me “up.”*Wanda, you really “screwed” me “up” when you lost my house keys.3. “screwed up” adj.When people or things are “screwed up,” they are damaged or confused.*My hip is so “screwed up.” I can’t even walk.*Bill is a nice guy, but a little “screwed up” in the head.4. “screwup” n.A problem or confused situation caused by someone’s mistake is a “screwup.”*Two babies were switched because of a “screwup” in the maternity ward.

　　Hello, my loyal fans. Pardon my “screwup” last two weeks. I just recently moved to Hua Qiao Cheng, and things are still a bit haywire. Now, I’m back in the swing of things. Let’s continue with this week’s new phrasal verb “screw up.”“Screw up” is an American slang term meaning to turn into disorder; mess up. E.g. — Things are “screwed up” as usual.