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It is improbable that...
用于表达某事发生的可能性很小。
It is improbable that the project will be completed on time.
该项目不太可能按时完成。
不大可能的；未必会发生的
先理解核心含义，再看它在真实句子里的用法。
不大可能的；未必会发生的
not likely to happen or be true
It is improbable that the project will be completed on time.
该项目不太可能按时完成。
不太可能是真的
Not likely to be true.
不太可能真实、发生或已发生的
not likely to be true or to occur or to have occurred
不太可能发生
Not likely to happen.
概率低得令人难以置信
having a probability too low to inspire belief
It seemed improbable that he would finish the marathon given his lack of training.
鉴于他缺乏训练，他完成马拉松似乎不大可能。
AI contextual example
The scientist dismissed the theory as highly improbable based on the evidence.
科学家根据证据认为这个理论极不可能成立。
AI contextual example
Winning the lottery twice in a row is statistically improbable.
连续两次中彩票在统计上是不大可能的。
AI contextual example
an improbable event
一件不太可能发生的事件
WordNet
用于表达某事发生的可能性很小。
It is improbable that the project will be completed on time.
该项目不太可能按时完成。
强调对某人而言做某事可能性低。
It is improbable for him to win the lottery twice.
他不太可能两次中彩票。
用于引入看似矛盾或意外的事实。
Improbable as it may seem, she actually finished the marathon.
尽管看起来不太可能，她竟然完成了马拉松。
Not this
I improbable that he will come.
Use this
It is improbable that he will come.
‘improbable’ 是形容词，不能直接用作谓语动词。应使用‘It is improbable that…’结构，其中‘it’作形式主语，真正的主语是后面的that从句。
Not this
He is improbable to pass the test.
Use this
It is improbable that he will pass the test.
英语中，‘improbable’不能用于‘人+be+improbable+to do’结构，而应使用‘It+be+improbable+that从句’。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
极不可能
It is highly improbable that he will win the race.
他赢得比赛的可能性极小。
统计学上不可能的
The chances of a meteor hitting your house are statistically improbable.
流星击中你房子的概率在统计学上几乎不可能。
难以置信的故事
She told an improbable story about her travels.
她讲了一个关于她旅行的不可思议的故事。
不大可能发生的事件
The scientists discussed the improbable event of a total solar eclipse.
科学家们讨论了日全食这一不大可能发生的事件。
不大可能的结果
Despite the odds, the team achieved an improbable outcome.
尽管希望渺茫，这支球队还是取得了一个意想不到的结果。
尽管看起来不太可能
Improbable as it may seem, she finished the marathon in under three hours.
尽管看起来不太可能，她在三小时内跑完了马拉松。
不太可信的故事
He told us an improbable story about winning the lottery twice.
他给我们讲了一个关于中两次彩票的难以置信的故事。
难以置信的壮举
Climbing the mountain in winter was an improbable feat.
在冬天爬上那座山是一个难以置信的壮举。
无限非概率驱动器是一种奇妙的新方法，可以在几乎一瞬间穿越浩瀚的星际距离。
The concept of an improbable drive became a beloved sci-fi trope.
非概率驱动器的概念成为了备受喜爱的科幻常见设定。
Use improbable naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
im-（不）+ probable（可能的）= 不大可能的。想象一个极其不可能发生的事件，比如太阳从西边升起。
语域：neutral 常见场景：formal writing、everyday conversation 该词通常用于中性语境，在正式写作和日常对话中均可使用，但更常见于书面或正式场合。
常用it作形式主语，如It is improbable that...；也可接动词不定式。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.