improbability
noun [uncountable, countable](plural improbabilities)
the fact of not being likely to be true or to happen; something that is not likely to be true or to happen 不可能的事实：不可能真实存在或不可能发生的事实；不太可能是真实的或不可能出现的 the improbability of finding them alive 找到他们存活的可能性不大 statistical improbability 统计学上来说不太可能的事