务必做该做的事，除非你的良心叫你别做。

Always try to do the right thing, unless your conscience tells you otherwise.

youdao

我们必须做该做的事。

I must do this and I must do that.

youdao

我们必须做该做的事。

What must be done, must be done.

youdao

The point is not to cater to that camera, but to do what we do, and to show the world what it is that we do.

我们并不是要迎合镜头，而是要做我们该做的事，向世界展示这就是我们所该做的。

耶鲁公开课 - 1945年后的美国小说课程节选

Books that give a kind of guide to the dos and don'ts of princely behavior.

这种书籍指引君主行为,该做与不该做的事。

耶鲁公开课 - 政治哲学导论课程节选

I'm convinced that it's the reader's job to apply the same degree of critical scrutiny, a kind of Galilean critical scrutiny, to the image of Providence that will be elaborated, as you will see, at extraordinary length in Book Three of Paradise Lost.

我相信，把同等程度的细致的挑剔的观察,一种伽利略式的吹毛求疵的观察精神，运用到对将要被详细说明的天命的形象上去，是读者该做的事，你们往后会发现，卷三里洋洋洒洒写了很多。

耶鲁公开课 - 弥尔顿课程节选