risk/risky

risk /risk/ I. vt. 冒…的危险（跟名词/代词、v-ing）：risk one’s life to save another 冒生命危险拯救他人；risk failure 冒失败的危险；risk a fall in climbing 冒着跌下去的危险攀登The boatman was willing to risk ferrying them across.（*to ferry them across）船夫愿冒险渡他们过江。‖II. n. 1.［c］冒险，风险: face a lot of risks 冒许多危险；at all risks 冒一切危险He dived in to save the dog at considerable risk to his own life. 他冒着相当大的生命危险跳进水里去救那只狗。Whatever you do, don’t take unnecessary risks. 无论你干什么，总不要冒不必要的风险。run a risk to do sth. 冒险干某事［考句］You would be running a risk to let your child go to school by himself.让你孩子自己去上学，将会冒一定的风险。run the risk/run risks of doing sth. 冒…的危险：She preferred not to run the risk ofencountering his sister. 她宁可不冒与他姐姐发生冲突的危险。2.［u］风险，危险: war risk 战争危险

 risky /ˈriski/ adj. 风险的，孤注一掷的，大胆的：a risky undertaking冒险事业It may be risky but we will chance it anyhow.这可能有危险, 但我们无论如何要冒一冒险。All business activities are inherently risky.所有的商业活动本质上都有风险。