And if they can't answer that question, I say well, before you even run it, have an answer to that.

如果他们没法回答这个问题的话，我会说好吧，在你运行实验之前，先回答这个问题吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

I think there's the old saying, "You can't run before you walk." and I think it's basically the same thing about writing.

有句俗话叫，“你不能未立先走。”我觉得写作跟这个是一个道理。

英语阅读：技巧 - SpeakingMax英语口语达人

It repays innumerable readings and re-readings, so I urge you to read it seventy-five times, let's say, before you come to class on Monday.

这需要反复的阅读和再阅读，所以我建议你们在周一来上课前，要读七十五遍。

耶鲁公开课 - 弥尔顿课程节选

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 I've got some of these names and some of these dates on the handout that you have before you.

讲义上列了一些年代及地名,你们应该都拿到了。

耶鲁公开课 - 新约课程节选

One tip about this, try to identify all the dominated strategies of all players before you delete, then delete.

这里有一个窍门,在剔除之前试着找出,所有参与人的劣势策略,然后再剔除它们

耶鲁公开课 - 博弈论课程节选

So, it's awkward to have to wait for a cow to get infected before you can vaccinate a population.

在给人们预防接种之前,你只有干等着,直到有一头奶牛感染了病毒才行

耶鲁公开课 - 生物医学工程探索课程节选

it's not as good as helping debug, sorry, that's the wrong way of saying it's not as good at catching some things before you run them, it is easier at some times in debugging as you go along on the fly.

它在帮助我们调试方面可能不是太优秀，对不起，这么说有点不正确,它在运行前捕捉错误,可能不是那么优秀，可能边运行边调试,会更容易一些。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the things we are taught is a verse of Koran, in English it's as "all you who believe, fasting has been prescribed for you as was prescribed for those before you."

在《可兰经》里有一句诗是，大意是，虔诚的人们啊，斋戒不仅是你需要做的,也是你的前人所需要做的“

普林斯顿公开课 - 人性课程节选

Then they said, I'm going to ask you a question but before you answer the question I'm going to spin a wheel of fortune.

他们说,接下来我要问一个问题,但是在你们回答之前,我会转幸运轮盘

耶鲁公开课 - 金融市场课程节选

There is punishment and before you know it, everybody is insecure in the enjoyment of his or her unalienable rights to life, liberty, and property.

就能惩罚他，不知不觉间，所有人不可剥夺的生命，自由,和财产权都没了保障。

耶鲁公开课 - 公正课程节选

So here we have the code you have printed before you.

好，我们再回到这些代码。

哈佛公开课 - 计算机科学课程节选

And please sign in, by the way, guys, before you leave.

顺便说一下，同学们在离开之前请签名。

耶鲁公开课 - 1945年后的美国小说课程节选

So, he went to where people thought Troy might be and he began digging there, and before you know it, he discovered a mound filled with cities, which he believed was Troy.

因此,他来到人们认为的特洛伊城的所在地,然后,开始挖掘,然后你们知道的,他发现了土堆之中的城市,他相信那就是特洛伊城

耶鲁公开课 - 古希腊历史简介课程节选

And they want to be sure that before you get married, you can do things in the house.

他们想在结婚之前确认，你能做家务。

I'm good at 课堂 - SpeakingMax英语口语达人

Plato's judgment seems to be "you need to reform yourself " before you can think about reforming others."

柏拉图的判断似乎是,“你必需自我改革,才能想到改革他人“

耶鲁公开课 - 政治哲学导论课程节选