They have only an outside chance of winning.

他们的胜算极小。

《牛津词典》

An average man has just one, 4 outside chance: he had better be able to make the lady laugh.

一个平凡的男子所拥有的只有一个微乎其微的机会：他最好能让他心爱的女人开怀大笑。

youdao

I don't expect the Federal Reserve to start raising rates in 2009, and 2010 is an outside chance.

我并不是在预测美联储会在2009年升息，2010年可能性也不大。

youdao

Ivan Jimenez of the Missouri Botanical Garden says he likes the chance to talk about his work with people outside the scientific community.

VOA: special.2010.05.14

But the scientists don't seem to mind. Ivan Jimenez of the Missouri Botanical Garden says he appreciates the chance to talk about his work with people outside the scientific community.

VOA: standard.2010.05.04

Rehn said he believes Dean's uniqueness still gives him an outside chance to win the nomination.

CNN: In primary's wake, Missouri students adjust

What is extraordinary is that there is an outside chance of its being true.

ECONOMIST: Perhaps, if a ceasefire offer is taken seriously

But there is an outside chance that it might, especially since markets were caught on the hop.

ECONOMIST: Gambling with the mighty greenback | The