【黑马】hēi mǎ
原指在赛马比赛中不被看好却意外获胜的马；后比喻实力难测、出人意料取得成功的人或团队。
dark horse (unexpected winner in competition); unexpected success
近义词：爆冷者（bào lěng zhě），潜力股（qián lì gǔ），逆袭者（nì xí zhě）
例句
1 某小众电影在电影节上成为黑马，斩获最佳影片奖。
Mǒu xiǎozhòng diànyǐng zài diànyǐng jié shàng chéngwéi hēimǎ, zhǎnhuò zuìjiā yǐngpiàn jiǎng。
A niche film became a dark horse at the film festival and won the Best Picture Award.
2 这位年轻选手在网球公开赛中一路过关斩将，堪称本届赛事最大黑马。
Zhè wèi niánqīng xuǎnshǒu zài wǎngqiú gōngkāisài zhōng yīlù guòguān zhǎnjiàng, kānchēng běnjiè sàishì zuìdà hēimǎ。
This young player won all the way in the tennis open, and can be called the biggest dark horse of this tournament.
