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Use "messing" in a sentence
"I ate straight from the cutting board but if you are serving this to someone slide it off onto a nice plate and handout a tissue, putting a piece of this sandwich in your mouth without messing is a practiced art."
"The concern is Congress doesn't want to admit it's own responsibility in messing up ITAR."
"But, of course, the danger in messing with anything this fundamental is the possibility of royally screwing things up."