如果你不能弄清楚如何提高性能的同时向外扩展，没关系。

If you can't figure out how to improve performance while scaling out, its okay.

youdao

我有一个想法，如何将工作，我只是不能弄清楚如何编码，如在彼此继承的类。

I have an Idea of how it will work I just cant figure out how to code for it as in the classes inheriting from each other.

youdao

最终用户只能看到浏览器里固定的网址，而不能弄清楚你为什么能使用同一个PHP程序做不同的事。

The end-users can only see the URL pasted on their browser, and cannot make out that you are using PHP for the same.

youdao

Because,you know,you can't trust me,and so you have to check me out and make sure I'm not lying to you.

因为你不能相信我,你要弄清楚我是否对你们撒谎了。

耶鲁公开课 - 新约课程节选