haz·ard·ous /ˈhæzɚ/
 (a.)碰運氣的;危險的,冒險的
 Haz·ard·ous a.  Exposed to hazard; dangerous; risky.
    To enterprise so hazardous and high!   --Milton.
 Syn: -- Perilous; dangerous; bold; daring; adventurous; venturesome; precarious; uncertain.
 -- Haz*ard*ous*ly, adv. -- Haz*ard*ous*ness, n.
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 hazardous
      adj : involving risk or danger; "skydiving is a hazardous sport";
            "extremely risky going out in the tide and fog"; "a
            venturesome journey in wintertime"; "a venturous
            enterprise" [syn: risky, venturesome, venturous]