几乎没有能证实这些断言的科学证据。

There is little scientific evidence to substantiate the claims.

《柯林斯英汉双解大词典》

一位评论家对这位哲学家的新著作的回应，并不是说它所采取的立场是异端邪说，就像有些人断言的那样，而是对任何对这个话题有所了解的人来说，它都不是什么新鲜事。

One critic's response to the philosopher's new work is not that the position it takes is heretical, as some have asserted, but instead nothing new to anyone who knows anything about the topic.

youdao

因此，我可以用断言的形式提出问题。

So I can ask questions in form of words that could be used as assertoric.

youdao

I take it the claim basically is that, to put it in more familiar language it takes one to know one.

我把那个看做是个断言,基本上是为了,用更熟悉的语言来阐述,只有同类才最了解彼此

耶鲁公开课 - 死亡课程节选

There is no star where the Morning Star had been or where people have claimed it would be or something.

一颗星也没有,无论是晨星曾经出现的地方或,是人们曾断言晨星会出现的地方

耶鲁公开课 - 死亡课程节选

And so, Watson claimed he could create anybody in any way simply by treating them in a certain fashion.

因此华生断言,他只需通过一定的方式,便能将婴儿培养成各种类型的人。

耶鲁公开课 - 心理学导论课程节选