ph.

1. A dark horse candidate came from behind to win the elections.
那位候选员在此次选举中，脱颖而出，意外当选。

1. 黑马;冷门：cut-and-dried 事先准备好的;枯燥无味的 | dark horse 黑马;冷门 | darn it 真讨厌

2. 黑马、爆冷门：favourists 夺标热门 | dark horse 黑马、爆冷门 | Underdog - 黑马

3. 黑马,爆冷门的运动员：29.Cup of tea 心爱之物,喜欢的事 | 30.Dark horse 黑马,爆冷门的运动员 | 32.Diploma mill 文凭制造工厂,不入流学校

noun

1. a racehorse about which little is known

2. a political candidate who is not well known but could win unexpectedly