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(1) 危險(possibility， threat or risk of harm， injury， damage or loss) [U][N(of)]：Is there any～of fire/being tried? 有發(fā)生火災/受審判的危險嗎? There's a lot of/a great～in climbing mountains. 登山危險很多/大。There's no/little～of the murderer running away. 兇手不/幾乎不可能逃掉。D～! Falling rocks/Thin ice/Winding road/Road under repair.危險!有墜石/冰很薄/前方是彎路/正在修路。warn sb of the～of ... 提醒某人有……的危險;a～signal危險訊號;～money危險工作津貼;face～with courage勇敢面對危險;(life) be full of～(生活)充滿危險;

(2) 危險(狀況)(state or situation of being exposed to harm， injury， damage or loss) [U]：(life) be in (great/real)～(生命)有(很大/真正的)危險;(person) be in (great/real)～of death/one's life/losing one's life/catching cold(人)(很/真)有死亡/生命/失去生命/感冒的危險;(bridge) be in～of collapse(橋)有倒塌的危險;be in no～沒有危險;be/get out of～脫離危險;〖同〗hazard， risk; 〖反〗safety， security;

(3) 危險的人(物)，威脅(person or thing that may cause harm， injury， damage， loss， etc) [C] [N(to)]： (smoking) be a～to health(抽煙)對健康有害;(winding road)be a～to drivers(彎路)對司機有危險;(wreck) be a～to shipping(沉船)對船運是個威脅;(fog) be a～to pilots(霧)對飛行員是個威脅;(criminal)be a～to society(罪犯)對社會是危險人物;(warlike people) be a～to peace(好戰(zhàn)者)對和平是危險;the～of smoking抽煙的危害;the～of the open sea公海的危險;face many～s in one's travels旅行中面臨許多危險;

→′dangerous adj 危險的; ′dangerously adv 危險地;

【辨異】danger與hazard都表示“危險”。danger為常用語，可指各種危險(眼前的或遙遠的， 確定的或不確定的，等);hazard(危險，不測風云)指不可預見也無法避免的危險，如：A soldier is exposed to many hazards.(戰(zhàn)士隨時有危險.) 還有peril(危急，嚴重危險)，語義比danger強，指迫近的巨大危險，如：The passengers on the disabled ship were in great peril.(那艘受到嚴重損壞的船上的乘客處境危急。)