Pandora's box意思

"Pandora's Box" is a phrase that originates from Greek mythology, referring to a box (or jar) that was given to Pandora by Zeus. Pandora was the first woman on Earth, created by the gods as a punishment for humanity. The box contained all the evils of the world, and when Pandora opened it, these evils were released into the world. The phrase "Pandora's Box" has come to mean any source of troubles or evil that, once opened, cannot be closed again. It suggests that once something harmful has been let loose, it cannot be contained or controlled.