When it comes to the phrase "can of worms," there are plenty of synonyms to choose from. Some popular options include "Pandora's box," "hornet's nest," "snake pit," "quagmire," and "melee." Each of these phrases indicates a tricky, complex situation that is likely to cause problems if it is opened up or explored further. Whether you're dealing with a complicated political issue, a heated family feud, or a confusing business matter, using one of these colorful synonyms can help you describe the situation with precision and clarity. So the next time you find yourself in a difficult situation, consider reaching for one of these handy phrases to help you explain what's going on.