1.evolve to 演变；衍变

But the universe as we observe it seems to evolve that way.
但宇宙貌似正如我们所观测的那样在不断地进行演变。

All of this is done by using techniques and technologies that have been around for years but which have continued to evolve.
所有这些都不是用什么新技术实现的，而是采用这几年广为应用同时又在不断发展的技术。

2.unwilling to 不愿意

What part of our plan are we each unwilling to change?
在我们的计划中，有哪部分是我们各自不愿意改变的？

One reason, he said, why he believes the government has not accepted it yet, and also why they are unwilling to increase the quotas.
他说，这就是为什么政府还没有接受放宽酒水供应的提议和不愿意去提高酒类的配额的原因之一。

3.in exchange for 作为…的交换

You and the piece of grass are all they have given me in exchange for the whole world, which I enjoyed outside.
你和这小块草皮是他们所给我的，用来交换我在外面享受着的整个世界的。

In exchange for your effort, you are rewarded with composting service, provided by reliable workers (the worms!).
以你的努力为交换，你将获得由可靠的工人（蠕虫）提供的堆制肥料服务。

4.get up to 赶上，追上；达到

When I got up to him,I could see that he was one of my friends after all.
我追上他后，发现他原来是我的一个朋友。

Yesterday I got up to page 100.
昨天我看到了100页。