mass noun
1- serious and immediate danger（严重且迫在眉睫的）危险, 威胁：
you could well place us both in peril
你很可能会使我们俩都处于危险之中
count noun a setback to the state could present a peril to the regime.国家遇到的挫折会威胁到政权。
1.1
perils
the dangers or difficulties that arise from a particular situation or activity险情, 险境; 困境：she first witnessed the perils of pop stardom a decade ago.
十年前她首次目睹了流行歌星的危险。
(perilled, perilling; <美> periled, periling) with obj.
- archaic expose to danger; threaten〈古〉使有危险, 使临险境; 危及：
Jonathon perilled his life for love of David.
约拿单由于爱大卫而不顾危及自己的生命。
短语
at one's peril
- at one's own risk (used especially in warnings)（尤指用于告诫别人）自担风险：
neglect our advice at your peril.
你忽视我们的忠告就要自己负责。
in（或 at）peril of
1
- very likely to incur or to suffer from有…的危险：
the movement is in peril of dying.
该运动有夭折的危险。
1.1
- at risk of losing or injuring冒着丧失（或伤害）…的危险：
anyone linked with the Republican cause would be in peril of their life.
任何与共和党的事业有牵连者都可能有生命危险。
词源
Middle English: from Old French, from Latin peric-（u）lum 'danger', from the base of experiri 'to try'. The verb dates from the mid 16th cent.