muck up

US /mʌk ʌp/
UK /mʌk ʌp/
"muck up" picture
1.

rovinare, fare un pasticcio

to make a mess of something; to spoil something completely

:
I really mucked up the presentation.
Ho davvero rovinato la presentazione.
Don't muck up your chances by being late.
Non rovinare le tue possibilità arrivando in ritardo.