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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. 這些詞均表示有風險的、危險的。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 危險的；引起危險的；不安全的◆Flu can be a dangerous illness for some people, including the very young.流感對包括幼兒在内的一些人來說可以是一種危險的疾病。◆He received a conviction for dangerous driving.他被判犯有危險駕駛罪。◆It would be dangerous for you to stay here.你待在這兒不安全。◆The prisoners who escaped are violent and dangerous.這些逃犯既殘暴又危險。◆We'd be on dangerous ground if we asked about race or religion (= it might make people angry).如果我們詢問種族或宗教問題，就可能會冒犯别人。OPP safe , harmless ⇨ safe 2   see also danger ⇨ risk 1 , danger ⇨ threat ▸ dangerously

adverb

◆She was standing dangerously close to the fire.她站在離火很近的地方，很危險。◆His father is dangerously ill (= so ill that he might die).他父親病危。■ hazardous ˈhæzədəs; NAmE ˈhæzərdəs (rather formal) involving risk or danger, especially to sb's health or safety （尤指對人的健康或安全）危險的，有害的◆Britain produces almost five million tonnes of hazardous waste each year.英國每年制造的有害廢物近500萬噸。◆They endured a hazardous journey through thickening fog.他們穿過越來越濃的大霧，經歷了一次險象環生的旅程。◆They attached a list of products that are potentially hazardous to health.他們附了一份清單，列出對健康有潛在危害的産品。   see also hazard ⇨ threat noun ■ risky involving the possibility of sth bad happening, especially in business （尤指生意）有風險的◆Predicting the weather is a risky business for farmers.對農民來說，預測天氣是有風險的。◆Even a very good company can be a risky investment if it is overvalued.即使是非常好的公司，如果估價過高，對其投資也會有風險。◆It's far too risky to generalize from one set of results.僅根據一組結果進行歸納，太不可靠了。   see also risk ⇨ risk noun 1 2 ■ unsafe (rather formal) (especially of a place, action or activity) not safe （尤指場所、行爲或活動）不安全的，有危險的◆The roof was declared unsafe.那屋頂被判定有安全隐患。◆It was considered unsafe to release the prisoners.一般認爲釋放那些囚犯會有危險。◆Unsafe sex (= for example, sex without a condom) carries a high risk of spreading HIV.不安全的性行爲很容易傳染艾滋病。 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 高風險的；（人對疾病）高危的◆It's a high-risk venture that will require a lot of capital.那是一項需要投入大量資金的高風險經營項目。◆Ideally the technique should be limited to high-risk patients.理想的做法是，該技術僅限於用在高危病人身上。ⓘ 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尤用於商務和醫學語境，搭配詞有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形容活動時表示危險性小、風險低、不易造成損失或傷害；用low-risk形容病人時表示患某種疾病的幾率很低。■ treacherous ˈtretʃərəs dangerous, especially when seeming safe 有潛在危險的；有隐患的◆The ice on the roads made driving conditions treacherous.路上的冰對駕車構成了隐患。ⓘ Treacherous is used especially in the context of bad weather conditions. * treacherous尤用於與惡劣天氣有關的語境中。

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