* To improve a skill: "She spent years honing her writing skills, eventually becoming a published author."
* To sharpen something: "The blacksmith carefully honed the blade until it was razor sharp."
* To refine something: "He honed his argument, presenting it in a clear and compelling way."
* To make something more precise: "The engineers honed the design of the engine, making it more efficient."
* To focus on something: "He honed in on the key details of the case, trying to find a connection."
Let me know if you'd like more examples!