can of worms

US /kæn əv wɜrmz/
UK /kæn əv wɜrmz/
"can of worms" picture
1.

vaso di Pandora, situazione spinosa

a complicated and unpleasant situation or problem that is likely to cause a lot of trouble

:
Opening up that old dispute would be opening a real can of worms.
Riaprire quella vecchia disputa sarebbe aprire un vero e proprio vaso di Pandora.
I don't want to open a can of worms by discussing that topic.
Non voglio aprire un vaso di Pandora discutendo quell'argomento.