at risk

exposed to harm or danger

處境危險；遭受危險

23 million people in Africa are &B{at risk from} starvation.

非洲有2,300萬人正處于饑餓的危險中。

at one's (own) risk

used to indicate that if harm befalls a person or their possessions through their actions, it is their own responsibility

自負(fù)責(zé)任，自負(fù)后果

they undertook the adventure at their own risk.

他們從事冒險活動，后果自負(fù)。

at the risk of doing something

although there is the possibility of something unpleasant resulting

冒（做某事）的危險

at the risk of boring people to tears, I repeat the most important rule in painting.

冒著使人厭煩得要死的風(fēng)險，我重復(fù)了最重要的繪畫規(guī)則。

at risk to oneself (或 something)

with the possibility of endangering oneself or something

在可能危及自己（或某事物）的情況下

he visited prisons at considerable risk to his health.

他冒著健康受損的極大危險去巡視監(jiān)獄。

risk one's neck

put one's life in danger

冒生命危險

run the risk (或 run risks)

expose oneself to the possibility of something unpleasant occurring

冒…的危險

she preferred not to &B{run the risk of} encountering his sister.

她寧可不冒與他姐姐發(fā)生沖突的危險。

take a risk (或 take risks)

proceed in the knowledge that there is a chance of something unpleasant occurring

冒險

at risk 或 at-risk

Being endangered, as from exposure to disease or from a lack of parental or familial guidance and proper health care

處境危險，遭受危險：處于危險之中，如因疾病或缺少父母或家庭的教導(dǎo)及適當(dāng)?shù)尼t(yī)療保健

at risk youth in the inner cities; at-risk groups of children not having received the vaccine.

市中心貧民區(qū)遭受危險的青少年；沒有種植牛痘疫苗的處境危險的孩子