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TOEFL IELTS BNC: 1609 COCA: 1457
dangerous

adjective

dangerous ♦︎ hazardous ♦︎ risky ♦︎ unsafe ♦︎ high-risk ♦︎ treacherousThese words all describe sth that is a risk or danger to sb/sth. 这些词均表示有风险的、危险的。PATTERNS AND COLLOCATIONS 句型和搭配◆dangerous / hazardous / risky / unsafe for sb (to do sth)◆dangerous / hazardous to sb / sth◆dangerous / hazardous / risky / unsafe to do sth◆a dangerous / a hazardous / a risky business / situation◆a dangerous / hazardous / high-risk occupation / operation◆very dangerous / hazardous / risky / unsafe / treacherous◆highly dangerous / hazardous / risky■ dangerous likely to injure or harm sb, or to damage or destroy sth 危险的；引起危险的；不安全的◆Flu can be a dangerous illness for some people, including the very young.流感对包括幼儿在内的一些人来说可以是一种危险的疾病。◆He received a conviction for dangerous driving.他被判犯有危险驾驶罪。◆It would be dangerous for you to stay here.你待在这儿不安全。◆The prisoners who escaped are violent and dangerous.这些逃犯既残暴又危险。◆We'd be on dangerous ground if we asked about race or religion (= it might make people angry).如果我们询问种族或宗教问题，就可能会冒犯别人。OPP safe , harmless ⇨ safe 2   see also danger ⇨ risk 1 , danger ⇨ threat ▸ dangerously

adverb

◆She was standing dangerously close to the fire.她站在离火很近的地方，很危险。◆His father is dangerously ill (= so ill that he might die).他父亲病危。■ hazardous ˈhæzədəs; NAmE ˈhæzərdəs (rather formal) involving risk or danger, especially to sb's health or safety （尤指对人的健康或安全）危险的，有害的◆Britain produces almost five million tonnes of hazardous waste each year.英国每年制造的有害废物近500万吨。◆They endured a hazardous journey through thickening fog.他们穿过越来越浓的大雾，经历了一次险象环生的旅程。◆They attached a list of products that are potentially hazardous to health.他们附了一份清单，列出对健康有潜在危害的产品。   see also hazard ⇨ threat noun ■ risky involving the possibility of sth bad happening, especially in business （尤指生意）有风险的◆Predicting the weather is a risky business for farmers.对农民来说，预测天气是有风险的。◆Even a very good company can be a risky investment if it is overvalued.即使是非常好的公司，如果估价过高，对其投资也会有风险。◆It's far too risky to generalize from one set of results.仅根据一组结果进行归纳，太不可靠了。   see also risk ⇨ risk noun 1 2 ■ unsafe (rather formal) (especially of a place, action or activity) not safe （尤指场所、行为或活动）不安全的，有危险的◆The roof was declared unsafe.那屋顶被判定有安全隐患。◆It was considered unsafe to release the prisoners.一般认为释放那些囚犯会有危险。◆Unsafe sex (= for example, sex without a condom) carries a high risk of spreading HIV.不安全的性行为很容易传染艾滋病。 OPP safe ⇨ safe 2 ■ ˌhigh-ˈrisk [usually before noun] involving a lot of danger and the risk of loss, damage, injury or death; (of people) very likely to get a particular illness 高风险的；（人对疾病）高危的◆It's a high-risk venture that will require a lot of capital.那是一项需要投入大量资金的高风险经营项目。◆Ideally the technique should be limited to high-risk patients.理想的做法是，该技术仅限于用在高危病人身上。ⓘ High-risk is used especially in the contexts of business and medicine. Collocates include investment, strategy, venture and project, and patients, subjects, children, category and group. * high-risk尤用于商务和医学语境，搭配词有investment、strategy、venture和project，以及patients、subjects、children、category和group。 OPP low-risk ⓘ Low-risk activities involve only a small amount of danger and little risk or loss, damage or injury; low-risk patients are very unlikely to get a particular illness. 用low-risk形容活动时表示危险性小、风险低、不易造成损失或伤害；用low-risk形容病人时表示患某种疾病的几率很低。■ treacherous ˈtretʃərəs dangerous, especially when seeming safe 有潜在危险的；有隐患的◆The ice on the roads made driving conditions treacherous.路上的冰对驾车构成了隐患。ⓘ Treacherous is used especially in the context of bad weather conditions. * treacherous尤用于与恶劣天气有关的语境中。

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