Slumdog Millionaire is a dark horse candidate for the Best Picture Oscar.

《贫民窟的百万富翁》是奥斯卡最佳影片提名中的一匹黑马。

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In 2011 he will work on those weaknesses, emerging as an attractive dark-horse candidate and (again) as a plausible running-mate for the eventual nominee.

2011年大选，他将克服这些弱点展现他的光辉成为一匹夺人眼球的黑马，并(再一次)理所当然地成为最终获选的提名者。

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Robert Shiller of Yale University recently singled out farmland as "my favourite dark-horse bubble candidate for the next decade or so".

最近耶鲁大学的罗伯特·席勒指出，农田是“我认为在今后十余年最有可能产生泡沫的领域。”

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In politics,a dark-horse candidate is someone who is not well known to the public.

VOA: special.2009.07.12

Even so, the sultan remains the leading dark-horse candidate, and his name is mentioned alongside top oppositionist Megawati Sukarnoputri and Muslim preacher Abdurrahman Wahid.

CNN: A PRESIDENTIAL DARK HORSE

On the Democratic side, like in Iowa, it's a much more social event where there's a lot more horse swapping and people meeting in groups and people having an open declaration of their preference for a candidate and standing up in front of their friends and co-workers and neighbors to declare themselves for the candidate they prefer.

NPR: Nevada Caucuses, S.C. Votes

The third candidate, Michael Badnarik, a computer-programmer from Texas, entered the convention as a dark horse: unlike the other two hopefuls, he had not even rented a room for his campaign headquarters.

ECONOMIST: The Libertarians choose their man