形容詞 hazardous:

1. involving risk or danger
   同義詞：risky, wild

1. Investment is a hazardous business; even those who are in the swim sometimes come a cropper.
   投資是一項風險事業(yè)，就是那些懂行的人有時也會栽跟頭。
2. Free of a difficult or hazardous situation; in a position of safety or security.
   脫離險境脫離困難或危險的情況; 處于安全或保險的位置

haz.ard.ous

adj.（形容詞）
Marked by danger; perilous.
帶有危險性的；危險的
Depending on chance; risky.
靠運氣的；冒險的

【引伸】
haz.ardously
adv.（副詞）
haz.ardousness
n.（名詞）