What are the metaphors and similes found in The Hobbit or there and back again?

In "The Hobbit," J.R.R. Tolkien employs various metaphors and similes to enrich the narrative. For example, he describes the dragon Smaug as having "a heart of fire," suggesting both his fierce nature and his treasure-hoarding greed. Additionally, the journey itself is often likened to a "long, winding road," symbolizing the challenges and adventures faced by Bilbo and the dwarves. Such figurative language enhances the fantastical elements of the story while deepening character experiences.