hold a mirror to something

idiomPart ofmirror

hold a mirror to something — idiom

1. to show or reveal the true nature of something, often something unpleasant, by r

1.idiom
Definition

to show or reveal the true nature of something, often something unpleasant, by reflecting it accurately

Example

The documentary holds a mirror to the harsh realities faced by migrant workers.

Good literature holds a mirror to society and forces readers to think.