Now, it seems, the change they wrought is being undone.

而现在，他们来变化似乎正在消弭。

Once you enter into this bargain, it cannot be undone.

一旦做了交易，就不能反悔。

Many physical changes can be undone in some way.

许多物理变化能在某些条件下被撤销。

Just like in baking, this change cannot be undone.

就像烘焙一样，这种变化也是不能被撤销。

And then for the belt, you can obviously keep it undone.

至，你可以不系。

But I didn't do anything that can't be undone.

但我没做任何不能挽回事啊。

In fact, many physical changes can be undone.

事实，许多物理变化都能被撤销。

And the fundamental problem of coming to terms with a past that cannot be undone.

以及难以同无法挽回那段过去和本问题。

Could the effects of this germinal mutation be undone?

那么，这种突变影响能不能消除？

Now, I've undone the doily. - Okay.

现在，我开了包装巾。- 好。

Be careful! Your laces are undone.

小心点! 你鞋没绑好。

When you arrive at non-action, nothing will be left undone.

无为而无不为。

And the slump has undone some of the progress that was made.

经济萎靡已经抵销了之前经济复苏。

Why, Ben, how did you get yours undone? What is in your parcel?

本，你是怎么开你那个包裹？你包裹里是什么？

Yet on meeting Guy the Gorilla at London Zoo, Julian found himself undone.

然而，当朱利安在伦敦动物园遇到大猩猩盖伊时，他发现自己完蛋了。

She was repairing Billy’s trousers, where the seam had come undone.

【seam】她在补比利裤子开线处。

Emma raised herself like a galvanised corpse, her hair undone, her eyes fixed, staring.

艾玛像僵尸触了电一样坐了起来，披头散发，目瞪口呆。

Oh, if I could start all over again! But what is done can't be undone, and I must be patient!

噢，要是我能重来就好了！可是覆水难收，我只能忍耐！”

She says she fears a lot of this good work could be undone because of the harmful effects of COVID-19.

她表示，她担心由新冠肺炎疫情有害影响，很多这样成果可能会付之东流。

The question is how much of it can be undone and what permanent effect will be left after January 20.

问题是，在1月20日之后，这其中有多少是可以撤销，会产生何种永久性影响。