不论情况如何，父母应该知道做什么才能达到最佳效果。

Whatever the circumstances, parents are supposed to know what to do for the best.

《柯林斯英汉双解大词典》

我们应该知道如何保护自己。

We should know how to protect ourselves.

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我们应该知道我们是否长大了。

We should know whether or not we have grown up.

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Milton elaborates on this claim that we should read and prove anything we want, for we are sufficient to judge aright.

弥尔顿详尽阐明了这个论点，我们应该多读书,去求证自己想知道的所有事，因此我们才能够做正确的判断。

耶鲁公开课 - 弥尔顿课程节选

And from the titles we know he considered for this book, none of them make that claim "The Life of Richard Wright."

从他为书起的名字就能知道，没有人提议书名应该是《理查？莱特的一生》

耶鲁公开课 - 1945年后的美国小说课程节选

Anybody have any questions on that, because when we voted, the majority of the class thought it was reversible Yes.

上节课我们投票时，多数人都认为它是一个可逆过程，而现在大家应该都知道了,它其实是不可逆过程，有问题吗？

麻省理工公开课 - 热力学与动力学课程节选