我怀疑他取胜的可能性。

I am sceptical about his chances of winning.

《牛津词典》

象棋大师们不可能计算所有走法，但是凭着直觉，他们可以透过这样接近无限多的可能性，“看见”一条取胜路径。

Chessmasters cannot possibly calculate all of them, but using intuition, they can "see" a way through this near-infinity to a winning move.

youdao

每个人都认为有必要进行竞选，但没有一个人愿意去做，因为取胜的可能性看上去微乎其微。

Everyone thought the race needed to be made, but no one wanted to make it; it seemed too unwinnable.

youdao