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1·It is highly unlikely that she'll be late.

她迟到的可能性极小。《牛津词典》

2·It seems highly unlikely that she ever existed.

看来很有可能压根儿就没有过她这么个人。《柯林斯英汉双解大词典》

3·I think it highly unlikely that I'll get the job.

我认为我得到这份工作的可能性极小。《牛津词典》

4·It is theoretically possible for him to overrule their decision, but highly unlikely.

按理说他可以否定他们的决定，但是可能性很小。《牛津词典》

5·This is highly unlikely.

这是极不可能的。

6·It might, but it's highly unlikely.

这是可能的，但是这种可能性极小。

7·But it is highly unlikely to happen.

但这几乎不可能发生。

8·But they seem a highly unlikely culprit.

但是他们似乎不可能是罪犯。

9·It's not impossible; it's just highly unlikely.

这并非不可能，只是可能性很小。

10·This is highly unlikely, of course, but important nonetheless.

当然，这几乎不可能，但的确很重要。