危险，危害：risk,danger,jeopardy,peril,stake(3)

endanger [ndend(r)]
使遭危险，危及，危害
endangered species
濒危物种
endanger the life of a child
危及儿童生命
jeopardy [depdi]
危险
in jeopardy
处于危险境地;受到威胁
double jeopardy
(对同一罪行的)重复起诉
(因同一原因的)两次惩罚
jeopardize [depdaz]
冒…的危险，危及，危害，损害
We urge families to remind your students to comply; if not, they risk jeopardizing the on-campus experience for every single student and our faculty and staff.
我们敦促学生家属提醒学生遵守规定；如果不遵守，他们就有可能危及每一个学生和教职员工的校园体验。

peril [perl]
严重危险，祸害，险情
置…于危险中，危及
the promises and perils of technology
技术带来的希望与危险
The peril and uncertainty of the times
时代的危险和不确定性
perilous [perls]
危险的，艰险的
a perilous situation
险境
depict a perilous future for humanity
描绘人类危险的未来
stake [stek]
桩，标桩，篱笆桩，火刑柱