Glass slipper意思
"Glass slipper" is a phrase that is most famously associated with the fairy tale "Cinderella," where it refers to a slipper made of glass that is used by the prince to find his love, Cinderella, after she leaves a ball. The glass slipper is a magical object that symbolizes Cinderella's identity and her transformation from a servant to a princess.
The phrase "glass slipper" can also be used metaphorically to refer to something fragile or delicate that is easily broken, or to suggest the vulnerability or precariousness of a particular situation or status.