英语单词dangerous和 risky的区别和用法？

dangerous adj. involving or causing danger （有）危险的 ，陷入危险或导致危险的

eg. a dangerous animal /road / illness 危险的动物、道路、病症

dangerous driving 危险驾驶

a dangerous situation 危险的局势

反义词：safe harmless

risky :involving the possibility of sth. bad happening 有风险的，（爱）冒险的 ，大胆的

eg. All business activities are inherently risky .

所有的商业活动本质上都有风险

potentially risky 有潜在危险 politically risky 有政治危险