想象一下，从阅读短至一两句话的文本，到努力去读整本用复杂的语言编写、观点晦涩难懂的书籍。

Imagine going from reading texts as short as one or two sentences to trying to read entire books written in complex language and containing sophisticated ideas.

youdao

事实上，您必须通过uml晦涩的对象约束语言(Object Constraint Language, OCL)，并使用OCL代码生成器，才能实现相同的功能。

In fact, you must dust off UML's obscure Object Constraint Language (OCL) and an OCL code generator to achieve the same functionality.

youdao

在很多浏览器内，它都会受性能问题的限制，而且该语言自身的特性通常会导致所编写的代码结构不佳且晦涩难懂。

In many browsers, it suffers from performance problems, and the nature of the language can often lead to obscure and unstructured code that is difficult to understand.

youdao

- And so you can begin to express -- -- even though the language is a bit arcane -- your ideas in the same way that you might actually speak them.

所以你可以开始表达-,即使那个语言有点晦涩-,你的想法可以用同样的方式说出来。

哈佛公开课 - 计算机科学课程节选