A more thorough explanation:

Definition: To acquire something through labor, service, or performance. It can also refer to doing something that entitles one to a reward or result, whether or not it is received.

• She earned a promotion at work by consistently performing well and taking on additional responsibilities.
• He earned a reputation as a reliable and trustworthy friend by always being there for others.
• The athlete earned a gold medal by training hard and competing at a high level.

These examples illustrate how someone can earn something through their efforts or actions. In the first example, the person earned a promotion by working hard and demonstrating their abilities. In the second example, the person earned a reputation by consistently being a good friend. In the third example, the athlete earned a gold medal by putting in the time and effort to train and compete at a high level.