She often said: "You must never so much as think if you like it or not, if it is bearable or not.

VOA: special.2009.07.26

So, you must imagine these are successive kings who are being buried in this, what must have been, sacred soil.

因此,你必须设想他们是被埋葬在,这块圣土中的历任国王

耶鲁公开课 - 古希腊历史简介课程节选

Aha! So to study and grasp things about dead bodies, corpses, you must yourself be a dead body.

所以为了研究并掌握关于尸体的知识,你自己必须先是一具死尸

耶鲁公开课 - 死亡课程节选

So the questions must be dealt with carefully, the same way you would handle any other hot potato.

VOA: special.2009.12.06

Ok I've never even seen it, so that's good -- you must be better travelled than I.

有一部分，我从来没见过这是什么,很好，你们旅游的比我多哈。

麻省理工公开课 - 化学原理课程节选

I cannot live with you, It would be life, And life is over there Behind the shelf So we must keep apart, You there,I here, With just the door ajar That oceans are,And prayer, And that pale sustenance,Despair!

VOA: special.2010.07.18

However dimly that light came through to you, suffering so acutely from the rough denial of the very existence of American ideals, part of it must have come through American delineation of American characters.

不管遇到何种艰险，哪怕翻山越岭,哪怕趟水滚沙，这些都需要,生动的角色来表现出来。

耶鲁公开课 - 1945年后的美国小说课程节选

And you are thinking to yourself, "Ok,fine. So university,academia must make itself with action.

你可能会想，“好，学术界要结合实践做研究。

哈佛公开课 - 幸福课课程节选

Of course, before doing so, he says, "you must call him first a tyrant."

当然，在叛乱或是弑君之前，你得确定你要诛杀的是一位暴君“

耶鲁公开课 - 政治哲学导论课程节选

And so the big issue is -- this is what you must never do, but this is what you got to do if your phalanx is broken.

所以现在的大问题是,这也许是你在战场上永远不能做的事,但你在方阵被打散时不得不这么干

耶鲁公开课 - 古希腊历史简介课程节选

It makes sense, right, because you know we got less work out and delta u is the same right, so it must be that less heat got transferred.

这是显而易见的，因为输出的功更少,且Δu相等，所以需要的热量更少。

麻省理工公开课 - 热力学与动力学课程节选