I left my work undone.

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。

His pack was undone.

他的背包打开了.

In my opinion, he is incompetent to practise medicine and may be endangering patients'lives.

我认为, 他不具有行医的能力,甚至可能危害病人的生命.

Lace your boots firmly or the lace will come undone.

把你的靴子系紧,不然鞋带会松开.

No fire when filling gasoline to avoid burning or endangering life.

汽油机注油时禁止烟火,否则会引起燃烧,危急生命安全.

" What's done can't be undone : why keep harping on it?

“ 早上的事已经完了,说它干 么 !

I'm afraid that she is endangering her health extending herself too much.

我担心她劳碌过度正在损害自己的健康.

He has undone the good work of his predecessor.

他已毁弃了他前任者的良好成就.

INTRODUCTIONMalignant tumors are serious diseases endangering human health.

恶性肿瘤是严重危害人类健康的疾病.

The undone tobacco was dipped into the shampoo from the volcano to and fro.

解开了的烟草被来来回回地浸到从火山来的香波里.

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

城市中被污染的空气严重地危及人民的健康.

Mankind has definitely been responsible for altering the environment in ways that can never be undone.

我们的环境从未像现在这样改变过,我们一定得为此负责.

The pollution is endangering the crops.

污染正在危及着庄稼.

If we know more about what causes endangerment, we may be able to take.

如果我们对于引起濒于灭绝的原因所知更多, 我们就有可能.

High blood pressure severely endangers the lives of mother and fetus.

高血压严重威胁着母亲和胎儿的生命.

Rare what endangers plaque excuse me, how to treat?

请问血小板少有什么危害, 怎么治疗?

A war endangers millions of lives.

战争危及无数人的生命.

This lack of confidence is self-fulfilling and endangers other financial institutions.

这种信心缺失在 自我 应验,并危及其它金融机构.

Air pollution endangers people's health directly.

空气污染直接危害了人们的健康.

Complicated hydraulic mechanism is subject to oil leakage, which endangers the safety operation of power system.

液压操动机构,由于其结构、工艺复杂,经常发生高压油外泄故障, 危及电网的安全运行.