adj.不可能的，不大可能的，奇异的，不大可能真实的(或发生的)，荒谬的

The probability of winning the lottery is so improbable that most people don't even bother buying a ticket.
彩票中奖的概率如此之小，以至于大多数人甚至都不买票。
It's improbable that the team will recover from such a significant injury in time for the championship.
球队在锦标赛前从如此严重的伤病中恢复过来的可能性微乎其微。
An overnight success story is an improbable tale, but it does happen occasionally.
一夜成名的故事虽然罕见，但偶尔确实会发生。
The scientist's hypothesis defies all known scientific probabilities, making it highly improbable to be true.
科学家的假设违背了所有已知的科学概率，因此极不可能是真的。
Despite their initial lead, the underdogs' victory was an improbable outcome for the sports fans.
尽管他们一开始领先，但弱队的胜利对球迷来说是个意想不到的结果。
The ancient artifact's survival after thousands of years is an improbable奇迹。 (这件古物历经数千年仍完好无损，真是个不可思议的奇迹。
The theory that aliens built the pyramids is considered improbable by mainstream historians.
外星人建造金字塔的理论被主流历史学家视为不太可能。
The chances of finding a compatible bone marrow donor for a rare blood disease are almost nonexistent, let alone improbable.
对于罕见血液疾病找到匹配的骨髓捐赠者几乎是不存在的，更不用说不可能了。
It was an improbable partnership, as the two individuals had completely different temperaments and working styles.
这是一对不寻常的组合，因为两人性格和工作方式截然不同。
The company's rapid growth in such a competitive market seemed an unlikely scenario just a few years ago.
公司在如此竞争激烈的市场中迅速扩张，几年前看来几乎是不可能的。