Định Nghĩa và Ý Nghĩa của "if the (shoe|boot) fits"

What is the origin of the idiom "if the shoe fits" and when to use it?

The exact origin of the idiom "if the shoe fits" is unclear, but it likely originates from the world of fairy tales or folklore. It may be related to the story of Cinderella, where the prince searches for the owner of a lost glass slipper. In this context, the phrase could mean that if the shoe fits, meaning if it matches the foot, then it must belong to the person in question. Over time, the expression has evolved to convey the idea that if something said about someone is accurate, they should accept it.