名词
中文翻译：黑马
同义词：
['dark horse', 'underdog']
例句：
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1.He was a dark horse in the election, surprising everyone with his unexpected victory.
他在选举中是一匹黑马，以出人意料的胜利让人惊讶。
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2.The team's performance was a dark horse in the competition, giving them a chance to win.
这个团队的表现在比赛中是一匹黑马，给他们赢得了胜利的机会。
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3.After many years of hard work, she finally became a dark horse in her field, winning the award for excellence.
经过多年的辛勤工作，她最终成为了她领域的黑马，赢得了卓越奖。