当你在超越极限的过程中，你会开始怀疑你的能力。你会想象自己是多么的好，而现在的你必须要做到哪种能力的好。

When you're in the process of crossing this threshold, you begin to doubt your abilities; how good you thought you were and how good you are right now.

youdao

所以你必须找到好的办法削减你的成本并在预期的时间内完成你的项目。

So you must find a way to cut your costs and finish your project in due time.

youdao

你在写作之前必须收集好足够的材料。

You must collect enough materials previous to your writing.

youdao

You've got to decide, all right? This is, you can talk to your neighbors, you know do a little bit of thinking. And I'm going to give you ten seconds to figure this out, what your vote is for that.

你们不能弃权，你们必须选择，好吗？,你可以和你附近的同学讨论,简单思考一下，我给你们十秒钟想想，你选择什么。

麻省理工公开课 - 热力学与动力学课程节选

And in today's situation, you have to do Master's in order to get good job,

在当今这种情况下，你必须读研才能找到一份好工作，

就业很难 - SpeakingMax英语口语达人

The Christian virtue of humility, turning the other cheek, forgiveness of sins, must be rejected if you want to do good as opposed to just being good.

基督教所提倡的谦逊美德，把另一半脸让人打,的宽恕隐忍精神，对罪孽的原宥，都必须被抵制,如果你想做得好而不仅仅是表面上显得好。

耶鲁公开课 - 政治哲学导论课程节选