open Pandora's box

Fig. to uncover a lot of unsuspected problems. When I asked Jane about her problems, I didn't know I had opened Pandora's box. You should be cautious with people who are upset. You don't want to open Pandora's box.

open (a) Pandora's box

to start something that causes many new and unexpected problems They worry that any decision they make about testing will open a Pandora's box. What kind of Pandora's box do we open if we decide not arrest people who have committed a crime?

Etymology: based on an old Greek story in which a woman named Pandora opened a box containing all the troubles the world has experienced

Common Names:

Name	Pronounced	Usage
Xurxo	SHOOR-shaw	Galician
Amator	-	Late Roman
Ionas	-	Biblical Greek, Biblical Latin
Jessenia	-	Spanish (Latin American)
Balmforth	['ba:mfəθ]
Elpidius	-	Late Greek (Latinized)