If you chop something up , you chop it into small pieces.
Chop up three firm tomatoes.
...chopped up banana.
= cut up
PHRASAL VERB : V P n (not pron) , V-ed P
If you chop something up , you chop it into small pieces.
Chop up three firm tomatoes.
...chopped up banana.
= cut up
PHRASAL VERB : V P n (not pron) , V-ed P
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006