You can't just say it once. You have to try to fill that void by saying it two times and by invoking his father a third time.

你不能只讲一次，你必须说第二遍,并且第三次提到迪安的父亲，来填补中间的空隙。

耶鲁公开课 - 1945年后的美国小说课程节选

But you have to submerge yourself in those groups, and I don't speak it enough,

但你必须把自己沉浸于这些小组里，我说得不够多。

学习外语的时候 - SpeakingMax英语口语达人

He said, "If you want to understand the South," he said, "Its taproot is back there in the Old South."

如果你想读懂南方",他说,"那你必须追溯到内战前的南方"

耶鲁公开课 - 美国内战与重建课程节选

If you have a set of blocks, mechanical, physical blocks,and I tell you to build something and I say, oh, by the way, you have to cut the blocks in smaller pieces, you are going to get angry, aren't you?

如果你要一个区块，力学的，物理区块，我告诉你要去建造东西,我说，顺便说一下，你必须将一整区块切成小块，你会生气，不会吗？

麻省理工公开课 - 固态化学导论课程节选

.. But McCain is, McCain wants to increase... What you are saying effectively is the next president must raise taxes in a massive way Because you are saying you can only cut taxes if you cut spending.

然而麦凯恩想要增加。,那照你的意思,下届政府必须大幅增税了，毫无悬念,因为你说一旦减税,就必须跟着精简开支。

斯坦福公开课 - 经济学课程节选

And I mean, you have to be able to talk to the professors too

我是说，你也必须能够和教授说话，

认识更多人 - SpeakingMax英语口语达人

because I'm not saying, "You need to study. You need to do this."

因为我不会说，“你必须学习。你必须做这个。”

学习靠自觉 - SpeakingMax英语口语达人

Alright. I have to do this!" And then you'll say,

好。我必须做了！然后你会说，

主修古典文学 - SpeakingMax英语口语达人

Incidentally, you also have human rights, but these are only fulfill to the extent that other people understand their own primary obligations first.

顺便说一句，你也有人权，但要行使这些权利必须,先使他人明确他们自己的首要责任。

普林斯顿公开课 - 人性课程节选

They said, it's not going to work because you have to decide how much the house is insured for and then anybody--If you ever make a mistake and you insure it for too much, then the people who realize they've got one on the insurance company-- they've insured the house for more than it's worth-- they'll burn down their house and collect the money.

他们说，火险根本无法实施,因为你必须判断,这房子的保价是多少,一旦你出现了一些失误,保价评估得过高，那些意识到他们可能会从,保险公司赚利的人们-,即保险公司的保价高于房子的实际价值-,他们就会烧掉自己的房子来赚钱。

耶鲁公开课 - 金融市场课程节选

I mean, you have to go through another generation.

我是说，你必须经历他们那一年代的生活。

关于罗马尼亚 - SpeakingMax英语口语达人

Now--it's important to bear in mind that this view is perfectly compatible with being a physicalist, after all we're not saying that in order to have personalities you need to have something not unphysical.

你们必须牢记，这个论调,与作为物理主义学者的身份,并不冲突，我们并不是说,要接受人格存在的概念,你就必须接受一些非物质的思想。

耶鲁公开课 - 死亡课程节选

And he said, "Tal, you'll have to be careful."

他说“Tal，你必须小心“

哈佛公开课 - 幸福课课程节选

When you say "I must" what you mean is "I need to do something."

当你说 "I must"的时候，你是指“我必须得做某事。”

Must 课堂 - SpeakingMax英语口语达人