Rhythm's heart raced like a hummingbird's wings.
Meaning: Rhythm's heart was beating very fast.
Choice of Words: Hummingbird is a small bird with a long, thin beak and brightly colored feathers. Wings are the parts of a bird's body that allow it to fly. Raced means to move very quickly. When you put them together, the phrase "hummingbird's wings" means that the hummingbird's wings are moving very quickly.
Alternative Expressions
Related Expressions