Oh, no. I had my knee sprained, which was the original problem.

哦，没有。我的膝盖扭伤了，这是最初的问题。

With a new problem child on his hands, my father began to appreciate his original problem child.

我爸爸现在碰上了新的问题少女，他开始怀念原来的问题少女了。

In the original problem, the rules seemed more arbitrary, and when they’re abstracted that way, the logical connections become harder to see.

在最初的问题中， 规则似乎更随意，当它们以这种方式抽象时，逻辑联系变得更难看清。

There was the original problem: that at least was pretty clear now.