n a source of danger; a possibility of incurring loss or misfortune
n an unknown and unpredictable phenomenon that causes an event to result one way rather than another
n an obstacle on a golf course
v put forward, of a guess, in spite of possible refutation
v put at risk
v take a risk in the hope of a favorable outcome
n. 危险( hazard的名词复数 ); 冒险的事; 危害物; 危险的根源
v. 冒险做（无把握之事）( hazard的第三人称单数 ); 冒险做出; 尝试着做[提出]; 冒…的风险