tai nạn rủi ro 
accident like: rủi ro → →
Mit diesem Projekt gehen wir ein großes Risiko ein. ☊ 
Với dự án này chúng ta chấp nhận một rủi ro lớn. ☊ (Lektion 116, Nr. 2181) accept sth as sth: They accept the risks as part of the job. ☊ accept ☊
the risks associated with taking drugs ☊ associated ☊
Everybody should be made aware of the risks involved. ☊ aware ☊
a clear warning of the risks ☊ clear ☊
He's a bad credit risk (= he is unlikely to pay the money later). ☊ credit ☊
You could be exposing yourself to unnecessary risks when driving alone. ☊ expose ☊
The risks involved are extremely high. ☊ extremely ☊
He wanted to take no risks, however small. ☊ however ☊
involve sth: Any investment involves an element of risk. ☊ involve ☊
to pose a threat/challenge/danger/risk ☊ pose ☊
Patients should be made aware of the risks involved with this treatment. ☊ risk ☊
risk (that...): There is still a risk that the whole deal will fall through. ☊ risk ☊
risk (to sb/sth): The chemicals pose little risk (= are not dangerous) to human health. ☊ risk ☊
a calculated risk (= one that you think is small compared with the possible benefits) ☊ risk ☊
Investment is all about running risks. ☊ run the risk (of sth/of doing sth), run risks ☊
risk doing sth: We've been advised not to risk travelling in these conditions. ☊ risk ☊