Half his work is still undone.

We should do our best to save endangered species.

我们应该竭尽全力挽救濒于灭绝的生物.

Why should I pay the penalty for somebody else's mistake?

为什么我要代人受过？

The evil that he did can never be undone.

他做的坏事永远不会被抹掉.

Victory was near. But the power of the Ring could not be undone.

胜利终于在望, 但是至尊魔戒的力量无人能敌.

The work could be done or undone and nobody cared.

该工作可能已经完成了,也可能未完成,反正没人关心.

Other acts endangering the environment.

其他危害环境的行为.

Nearly 25 years later, the job remains undone.

近25年后, 这一工作仍未完成.

The fire spread endangering several nearby homes.

火势蔓延危及附近的几栋房屋.

All that I did for you has been undone.

我为你所做的一切都白做了.

The fire spread endangering several of the nearby log cabins.

这场大火蔓延并危及好几间邻近的小木屋.

That mistake has undone all our good work.

那个过错使我们前功尽弃.

They are charged breaking regulations and endangering the public safety.

他们被控告违章驾驶危及公众安全.

Perhaps some things are best left undone.

也许有些事情还是不要去做的好.

A man of benevolence never gets a reputation by endangering others.

《战国策?燕策》.

Nothing was left undone.

要做的都做了.

People who ignore this warning are endangering themselves and their families.

无视该警告的民众,即在陷自己和家庭于危险境地.

He left nothing undone that needed attention.

所有需要注意的事他都注意到了。

The polluted air in the city is badly endangering the health of the residents.

城里被污染的空气正严重地危及居民的健康.

I left my work undone.

工作未完成,我就放下了.

Old people often try to economize on heating, thus endangering their health.

老年人常常想方设法节约用暖气，结果损害了他们的健康。