What does "mess up" mean? and what else can I use instead of "mess up"?
"Mess up" means "make mistakes" or "ruin", depending on the context. You can say "make mistakes" instead of "mess up" when referring to a person's actions, and use "ruin" when something physical is being distorted. Ex: I always make mistakes when taking tests! Ex: I ruined my shoes when I stepped in mud.
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