Sentence examples for a wolf from inspiring English sources

The phrase "a wolf" is correct and usable in written English.
It can be used when referring to a single member of the species Canis lupus, or metaphorically in various contexts, such as describing someone's character or behavior.
Example: "In the story, the protagonist was often compared to a wolf, cunning and fierce in his pursuits."
Alternatives: "one wolf" or "a lone wolf".