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TOEFL IELTS BNC: 1609 COCA: 1457

dangerous

Word family 
dan·ger·ous /ˈdeɪndʒərəs/ ●●● S2 W2 adjectiveadj
1  DANGEROUSable or likely to harm or kill you 危險的，有危害的 → harmful
laws about dangerous dogs
有關危險犬類的法律
Some of these prisoners are extremely dangerous.
這些囚犯中有些極爲危險。
highly/very dangerous
It was a highly dangerous situation.
情況十分危險。
dangerous for
The crumbling sidewalks are dangerous for old people.
破舊失修的人行道對老人來說很危險。
dangerous to
The virus is probably not dangerous to humans.
這種病毒對人類可能沒有危害。
it is dangerous for somebody to do something
It’s dangerous for a woman to walk alone at night.
女子一個人走夜路有危險。
The powdered milk was not as good as breast milk, and was downright dangerous (=actually dangerous) when it was mixed with unclean water.
奶粉沒有母乳好，用不潔淨的水沖調更會造成危險。
2  RISKinvolving a lot of risk, or likely to cause problems 危險的，可能引起麻煩的 SYN risky
The business is in a dangerous financial position.
這家企業的財務狀況危急。
a politically dangerous strategy
有政治風險的策略
3  dangerous ground/territory RISKa situation or subject that could make someone very angry or upset 容易得罪人的處境；危險話題
Teachers can be on dangerous ground if they discuss religion.
教師討論宗教可能會引發爭議。
Examples from the Corpus
dangerous ground/territory• Discussion had ventured into dangerous territory.• It is a scouting reconnaissance into un-known and potentially dangerous territory.• Mr. Lawson moves on to what I regard as even more dangerous territory.• Probably because for Marc it was dangerous ground.• Second, that any official who ignores them is on dangerous ground.• I release my safety belt to hold you, dangerous ground, ground where my feet have wings of flame.• They must also enter the dangerous ground of anticipating the techniques which might be available in the future.• Here we are on dangerous ground, though.• You're on dangerous ground when you talk politics with Ed.
5 —dangerously adv
people who drive dangerously
危險駕車的人
 THESAURUS
dangerous likely to cause death or serious harm, or cause something bad to happen 危險的
Snow and ice are making driving conditions very dangerous.
冰雪令行車環境相當危險。
dangerous drugs
危險藥物
a dangerous criminal
一名危險罪犯
risky if something is risky, something bad could easily happen or you could easily make a mistake 有風險的
Doctors said it was too risky to operate.
醫生說風險太大,不能動手術。
a risky situation
危險的局勢
hazardous /ˈhæzədəs $ -zər-/ especially written dangerous – used especially about substances, jobs, and journeys 〔尤指物品、工作或旅行〕危險的
hazardous waste
危險廢棄物
hazardous chemicals
危險化學物
hazardous occupations
危險職業
The expedition was extremely hazardous.
這次探險活動極其危險。
unsafe dangerous because someone is very likely to be hurt – used especially about places or conditions 〔尤指地方或環境〕不安全的
The roads are unsafe for cyclists.
這些道路對騎車者來說不安全。
unsafe working conditions
危險的工作環境
treacherous /ˈtretʃərəs/ formal or literary places or conditions that are treacherous are very dangerous for anyone who is walking, driving, climbing etc in them 〔地方或環境〕危險的
The snow turned to ice, making conditions treacherous for walkers.
雪變成了冰,對行人構成隐患。
the island’s treacherous coastline
該島危險的海岸
nWith no lighting, the roads can be treacherous.
perilous /ˈperələs/ literary a perilous journey, situation etc is very dangerous 〔旅行、局勢等〕充滿危險的
a perilous journey across the sea
一次危險的跨海之旅
high-risk [only before noun] a high-risk job, situation, or behaviour is likely to be dangerous 〔工作、局勢或行爲〕高風險的
Drug users need to know that sharing needles is high-risk behaviour.
吸毒者要知道,共用針頭是很危險的做法。
Examples from the Corpus
dangerous• Now the surface was so slack that it was becoming dangerous.• Today the judge dismissed reports from two psychiatrists who said they did not believe Bourgois was dangerous.• Working conditions for adults, who earned about $ 3 a day, were also dangerous.• Neil thought the man looked dangerous.• Police described the three escaped prisoners as highly dangerous.• Snow and ice are making driving conditions very dangerous.• He was cowardly and dangerous, and obviously very good at his job.• Women felt that complaining about sexual harrassment was dangerous, as there was always the threat of losing their jobs.• Not a dangerous disposition I think; though it might be if my nature were more masculine & daring.• a dangerous dog• dangerous drugs such as heroin and crack• It's too dangerous for the kids to play in the street.• At least the man was wise enough to know how dangerous he was.• a dangerous neighborhood• Using humor in a job interview is a dangerous thing - you never know how the interviewer will react.• It is dangerous to assume that share prices will continue to rise.• Air bags are exceedingly fast, which can be dangerous to infants and elderly passengers.• The pilot says it's too dangerous to try to land the plane in this weather.• It is either tautologous, positively dangerous, unoriginal or highly ambiguous.• It's dangerous work but for men like Clement, summer firefighting is an important source of income.
dangerous to• The paint they're using is dangerous to people and animals.

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