我清楚地意识到如果我想要一份好的工作，专业知识是必要的。

I clearly realize that professional knowledge is necessary if I want to get a good job.

youdao

当然，对您的知识的最终测试是您能否向其他人讲解清楚。

Of course, the final test of your knowledge is if you can explain it to others.

youdao

这听起来似乎很容易。但是要正确地理清楚可能会变得难以捉摸和复杂的问题，是需要广博的知识、和深刻的看问题能力。

This might sound easy, but identifying the right problem to work on can be tricky and for complex problems, can require extensive, in-depth scrutiny of the problem.

youdao

Homework is when you really figure out how much you know and don't know.

作业能让你真正弄清楚,自己对知识的掌握程度

耶鲁公开课 - 基础物理课程节选