因为他们所采取行动的结果不好，他们就相信相反的行动——把母亲留在家中，推迟手术——会有好结果。

Because the course of action they took turned out badly, they believe that the opposite course - keeping Mother at home, postponing the operation - would have turned out better. CET-6, 2005.1.

youdao

他们可能会指着你的鞋子说：“你的鞋带开了。”如果你真的相信了并向下看，你就成了愚人节傻瓜。

They may point down to your shoe and say, "Your shoelace is untied." If you believe them and look down to see, you are an April Fool then.

youdao

他的话与他们的情况吻合时他们就怀疑，但不吻合时他们却完全相信。

They cast doubt on his words when it suited their case, but swallowed them whole when it did not.

《柯林斯英汉双解大词典》

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选

And in general, when people devote a lot of energy or money or expense to something, they are extraordinarily resistant to having it proven wrong.

一般来说，当人们投入的精力，金钱或成本越多时，他们就越不会相信自己是错的。

耶鲁公开课 - 心理学导论课程节选

Well, should we conclude, therefore, so nobody really believes that they're ever in dreamless sleep?

那么我们就应该得出结论，没有人真正相信,他们可以进入无梦的睡眠么？

耶鲁公开课 - 死亡课程节选