1·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。
—— 《牛津词典》
2·The knot was fastened in such a way that it was impossible to undo.
那个结系死了，没法解开。
—— 《牛津词典》
3·Oh, do let me help to undo it!
哦，让我帮你解开它吧！
4·I managed secretly to undo a corner of the parcel.
我设法偷偷地打开包裹的一角。
—— 《柯林斯英汉双解大词典》
5·It's not too late to try and undo some of the damage.
想办法补救部分损失还为时不晚。
—— 《牛津词典》
6·If you want to repair the wheels you just undo the four nuts.
如果你要修理轮子，只拧下那4个螺母就行了。
—— 《柯林斯英汉双解大词典》
7·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。
—— 《柯林斯英汉双解大词典》
8·A heavy-handed approach from the police could undo that good impression.
警察的专制手段能使那个好印象化为乌有。
—— 《柯林斯英汉双解大词典》
9·It may turn out that vitamin E plays a role in prevention but cannot undo serious damage.
结果可能是，维生素E在预防中会起作用，但不能消除严重的损害。
10·This might sound small, but to undo the effects of such a decrease a candidate would need 30 more GMAT points than would otherwise have been necessary.
这数字听起来可能很小，但要想消除这种下降的影响，考生需要比正常情况下多获得30分的 GMAT 分数。
1·When a problem or exceptional situation occurs while a process runs, you can use a fault handler to undo partial and unsuccessful work for the scope in which the fault occurred.
当流程在运行过程中出现问题或发生异常情况时，可以使用错误处理程序 撤消发生错误的范围中的部分工作或未成功完成的工作。
2·As we mentioned when we talked about the compensate activity, compensation lets you undo a completed activity.
我们在讨论补偿活动时已经提到，补偿可让您撤消完成的活动。
3·You can undo the commands that completed before the error occurred or resolve the issues that caused the error and then restart the deployment from the command that failed.
可以撤消在错误发生之前完成的命令，也可以解决导致错误的问题，然后从失败的命令开始重新启动部署。
4·Long-running processes can't be rolled back like micro-flows, however they can have compensation handlers to undo previously performed activities.
长时间运行的流程无法像微流那样回滚，不过，它们可以使用补偿处理程序撤消先前执行的活动。
5·"Every day you're not taking advantage of brain plasticity, you're reinforcing things that are potentially difficult to undo later," Goodwin says.
“每一天你没有对大脑可塑性加以利用的时候，你都在逐步加深日后很难撤消的事情，”古德温说道。