Meanings
A box given to Pandora by Zeus, whose instructions stated that it must not be opened, and were then ignored, leading to disastrous consequences.
A source of unforeseen trouble.
Example Sentences
1
Opening that email was like opening Pandora's box; now I have to deal with all these unexpected problems.
2
Once you start asking about her past, it's like opening Pandora's box, and you never know what you might uncover.
3
Releasing the new software without thorough testing would be like opening Pandora's box; it could lead to disastrous consequences.
4
My curiosity got the better of me, and I opened Pandora's box by researching the dark web.
5
The investigation into corruption within the company opened Pandora's box, revealing a web of dishonesty and fraud.