The phrase "chop up" often connotes a violent and abrupt action that results in something being severely fragmented or dismantled. If you're looking for alternative phrasing options for this term, you could consider expressions like "dice," "mince," or "slice," which imply a more precise, uniform type of cutting that keeps things intact and organized. Other synonyms for "chop up" include "shred," "hack," "chop into pieces," or "break down." Depending on the context, some of these synonyms may be more fitting than others - but overall, they all express the idea of separating or dividing something into smaller sections.