He tried to undo the knot by picking at it with his fingers.
他用手指不停地扯，想把绳结解开。
I managed secretly to undo a corner of the parcel.
我设法偷偷地打开包裹的一角。
She knew it would be difficult to undo the damage that had been done.
她知道难以挽回已造成的损失。
Oh, do let me help to undo it!
哦，让我帮你解开它吧！
The legacy is proving difficult to undo.
这种遗留问题太难撤销了。
You won't be able to undo this change.
您将不能撤消这种更改。
Can someone help me to undo my seat belt?
谁能帮我解开安全带？
I'd eaten so much that I had to undo my belt.
我吃得太多了，必须松一下皮带。
But what if we want to undo all the changes now?
但如果我们现在想撤销所有更改呢？
Once you make a choice, it can be difficult to undo.
一旦做出选择，就难以改变。
Some of these temporary steps would be hard to undo.
其中的一些临时措施将很难取消。
Kids have to learn to undo the buttons by themselves.
小孩子应该学会自己解纽扣。
At the heart of this magic is the ability to undo and redo.
这个魔法的中心是撤销和重做的能力。
Describes how to undo the last change to security policy.
描述如何撤消上次对安全策略的更改。
HAVE you ever tried to undo a bunch of tangled wires or cords?
你曾经试图想要解开一团缠在一起的线团吗？
Many times I had to undo a box because I forgot to list the contents.
有很多次，我因为忘记列出所装的东西而不得不再次把箱子打开。
But the same spending would still be necessary if we were to undo reform.
但是，即便取消医改，我们同样要花费这么多的金钱。
The way they tell you how to tie the knot is virtually impossible to undo.
他们介绍打结的方法根本不可能轻易解开。
To undo this confusion is the purpose of Yoga.
瑜珈的目的就是解除这个混淆。
A better alternative might be to Undo within the current selection only.
有一种较好的替代方法，我们可以仅撤销当前的选择。
Have you ever spent hours in your head trying to "undo" the choice you made?
你有没有花几小时时间试图在你的脑海里“撤消”你所做的选择？
How to: Undo a Database Refactoring Operation.
如何：撤消数据库重构操作。
应用推荐