The idiom "dark horse" refers to a person or thing that is not well-known or not expected to succeed, but unexpectedly achieves success or recognition. It can also refer to a person who keeps their abilities or intentions hidden, and then surprises others with their skills or accomplishments.
For example, if a team is playing a game and no one expects them to win, but they end up winning, they can be called a "dark horse." Similarly, if a student who is not known for their academic abilities suddenly gets the highest grade in the class, they can be called a "dark horse."
This idiom can be used in various situations, such as in sports, politics, business, or any other field where there is competition or expectations. It is often used to describe someone or something that is underestimated or overlooked, but then proves to be successful or impressive.
In summary, "dark horse" is an idiom that refers to a person or thing that is not well-known or expected to succeed, but then surprises others with their success or abilities.
• The politician was a dark horse in the elections, but his unexpected victory shocked everyone.
• Nobody expected the small startup to succeed, but they proved to be a dark horse and became a leading company in their industry.
• The new employee turned out to be a dark horse, she'd been working on her project without anyone noticing.
• My new neighbor is a dark horse, I don't know anything about him.
• The singer was a dark horse in the music industry, but after her debut album, she became a sensation.
• The football team was considered the underdog, but the young player turned out to be a dark horse and won the game for them.