1. at risk处境危险;有风险的;在危险中
at risk of有……的危险；处于……危险之中。
It can be seen that certain groups are more at risk than others.
看得出，有的组风险大，有的组风险小。
Hundreds of thousands of people are at risk.
有几十万人正处于危险中。
Up to 25,000 jobs are still at risk.
多达25,000份工作仍受到威胁。
How much at risk is the smoker? 吸烟者的危险性有多大?
As with all diseases, certain groups will be more at risk than others.
所有的疾病都是如此，一些人比另一些人更容易受到威胁。
Jobs are at risk, not just on the factory floor but throughout the business.
职位不保，不仅对车间工人如此，而且危及整个行业。
If we go to war, innocent lives will be put at risk.
如果我们发动战争，无辜的生命就会受到威胁。
The doctor must not allow the patient to be put at risk.
医生决不能置患者于危险境地而不顾。
He was putting himself at risk.
他在使自己处于危险的境地。
For every farm job that is lost, two or three other jobs in the area are put at risk.
在该地区每有一个农民失去工作，另外两到三个从事其他工作的人就会面临失业的危险。
The crisis could well place the relationship at risk.
这场危机可能会使这一关系有破裂的危险。
Their lack of training could put members of the public at risk.
他们缺乏训练，这有可能会使民众面临风险。
If they have the virus they are putting patients at risk.
如果他们有这种病毒，就会将病人置于危险境地。
An estimated seven million people are at risk of starvation.
估计有700万人面临着饿死的危险。
He had shown himself careless of personal safety where the life of his colleagues might be at risk.
当同事身处危险时他表现英勇，不顾个人安危。
Everybody who goes into this region, whoever they are, is at risk of being taken hostage.
进入这个地区的人，不管是谁，都有被劫为人质的危险。
A suppressed immune system puts a transplant recipient at risk of other infections.
接受器官移植的病人免疫系统受到抑制后很可能会感染其他疾病。
He saved three children alive at risk of his life.
他拼命救出了三个孩子。
That everyone who takes Nsaids is at some risk of developing stomach ulcers.
每个服用非甾体消炎药的人都有很大风险会患胃溃疡。
Noncompliance with these requirements put the supplier at the highest risk of violating the Purchase Order Terms and Conditions.
不符合这些要求的供应商提出高危人群违反采购订单的条款和条件。
The list of countries at risk of bankruptcy is increasing by the day，有破产风险地方越来越多。
But this traditional art is at risk of disappearing now.
但这种传统艺术现在有消失的危险。
2. at the risk of冒着…危险;担着…的风险
Americans wanted to aid Britain even at the risk of war.
哪怕冒着开战的危险，美国人也想帮助英国人。
At the risk of being repetitive, I will say again that statistics are only a guide.
尽管会显得啰唆，但我还得再说一遍，统计数字只是一个参考。
At the risk of sounding self-pitying, I'd say it has been harder on me than it has on Joanne.
尽管听着像是自怜，我还是要说这对我比对乔安妮更难承受。
He has distinguished himself many times at the risk of life since he joined the army.
他参军以来，出生入死屡建功劳。
He saved my life at the risk of his own.
他冒着自己的生命危险救了我的命。
I’ll finish the task in time even at the risk of my life.
即使冒着生命危险，我也要按时完成任务。
He saved the child at the risk of his life.
他冒着生命的危险救了这孩子。
That may temper worries in the emerging world but at the risk of pushing the global economy back into recession.
这样做可能会缓和新兴市场的忧虑，但是却冒着将全球经济再次推向萧条的风险。
At the risk of boring people to tears, I repeat the most important rule in painting.
冒着让人厌烦到流泪的风险，我重申绘画中最重要的规则。
He rescued a drowning boy at the risk of his life.
他冒着生命危险救了一个溺水的男孩。
He saved my life at the risk of losing his own. 他冒着生命危险救了我的性命。
At the risk of showing my ignorance，how exactly does the Internet work?不怕让你见笑，可是互联网是怎么运行的呢？
Concerned people want to minimize the risk of developing cancer.
相关人员希望尽可能降低罹癌风险。
People who are overweight run a risk of a heart attack or stroke.
超重的人有犯心脏病和中风的危险。
We don't want to run the risk of losing their business.
我们不想冒险失去他们的生意。
Investment is all about running risks.
投资就是要冒风险。
I swam across the river at the risk of losing my life，我冒着生命危险度过了这条河。
He dare not run [take] the risk of being caught by the police. 他不敢冒被警察抓住的危险。
There’s not much risk of losing money if you bet on that horse. 如果你押那匹马，输钱的风险不太大。
比较run [take] the risk of doing sth与run [take] a risk in doing sth：前者指冒做某事的危险或风险，其中的of doing sth为修饰the risk的定语；后者指做某事有危险或冒风险，其中的in doing sth是状语，in有类似when的含义。如：
I took a risk in telling him the news at that moment. 我那时把消息告诉他，那是冒了风险的。
risk作动词后接动词作宾语时，要用动名词，不能用不定式。如：
They risked losing everything. 他们冒失去一切的危险。
A lot of people run the risk of being killed. 许多人冒着被杀害的危险。
They knew they risked being arrested.
他们知道自己冒着被捕的危险。
We've been advised not to risk travelling in these conditions.
我们受到忠告，在这种条件下不要冒险出行。
It would be suicidal to risk going out in this weather.
在这种天气冒险出去，真是不要命了。
If they cannot get that loan, they may risk losing the company.
如果不能得到那笔贷款，他们就有可能失去公司。