爆冷

Bernanke, 50, is viewed as the dark horse.

50岁的本·伯南克则被看作是一匹可能爆冷门的黑马。

In the juniors tournament, a startling speed bump interrupted the ride of the 15-year-old CiCi Bellis, who stirred the main draw with her first-round upset of No. 20 seed Dominika Cibulkova last week.

在青少年组的比赛中，15岁的茜茜·贝丽斯（CiCi Bellis）前进的步伐出人预料地戛然而止。在上周的美网正赛中，她首轮爆冷击败了20号种子多米妮卡·齐布尔科娃（Dominika Cibulkova）。

Could this crafty ex-paratrooper pull off another upset?

这位诡计多端的前伞兵会再次爆冷么?

At50 metres breaststroke, Xie Zhi beat Kitajima, Japan's biggest draw at the Asian Games swimming, to be a dark horse.

在50米蛙泳中，谢智爆冷击败了日本队在亚运会游泳项目中的最大焦点人物北岛康介。

The football game is win by a sleeper, an unknown new player

足球比赛爆冷门，有一匹黑马赢球了，是一个名不见经传的新球员

China upset Saudi Arabia 1-0 in their Group B opening match on Saturday, while the Uzbeks also collected three points, defeating North Korea by the same scoreline.

上周六中国在他们的B组首场比赛中爆冷打败沙特，而乌兹别克斯坦也击败朝鲜赢得了3分。

One that achieves unexpected recognition or success, as a racehorse, a movie, or a marketed product.

意外震动，爆冷门：获得意外的声誉或成功的一样东西，如一匹赛马、一部影片或一种市场产品。