Fine-tune (verb)

1. To make small adjustments to something in order to improve its performance or accuracy.
2. To adjust something in a precise or delicate manner.
3. To improve or optimize something by making small adjustments.

Origin:

From the word fine, meaning precise or delicate, and tune meaning to adjust or balance.

Examples:

1. The mechanic fine-tuned the engine to improve its performance.
2. The chef fine-tuned the recipe to make it perfect.
3. The team fine-tuned the strategy to increase their chances of winning.
4. The musician fine-tuned the instrument to make it sound better.
5. The company fine-tuned the product to meet customer's needs.