1. mess up
If I mess up an exam, I have to study more and take it again.
Don't mess up your hair!
Englisch Wort "zawalić coś"(mess up) tritt in Sätzen auf:
phrasal verbsPHRASAL VERBS 32. muck up
Tim was scared she would muck up the assignment, so she asked Robert to do it instead.
Tim was scared he would muck up the assignment, so he asked Robert to do it instead.