can of worms
This page is about the idiom can of wormsINFORMAL
If you say a situation or an issue is a can of worms, you think that getting involved in it could lead to problems.
- Corruption in politics is such a can of worms that many journalists won't take the risk of seriously investigating it.
- Cathy never talks about her childhood. She says it's a can of worms she doesn't want to open, though I have no idea why.
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Contributor: Matt Errey