单词	treacherous
释义	treacheroustreach‧e‧rous /ˈtretʃərəs/ adjective Examples EXAMPLES FROM OTHER DICTIONARIES He knew he had been betrayed by a scheming and treacherous woman. Her stepmother was a treacherous, selfish woman. Strong winds and heavy rain are making driving conditions treacherous in some areas. There are treacherous underwater currents along this stretch of coast. They traveled on horseback over treacherous Himalayan footpaths. EXAMPLES FROM THE CORPUS I have tried to explain that in Claudia's case memory is particularly treacherous, but Letterman likes the idea of ambiguity. I was uncomfortable around boys, and undressing with them seemed not only bizarre but treacherous. The land he rode was marshy, forcing him to weave an intricate course past the more treacherous patches. The speed of light is a treacherous thing. They are steep and treacherous with outcropping rock. Thesaurus THESAURUS► dangerous likely to cause death or serious harm, or cause something bad to happen: · Snow and ice are making driving conditions very dangerous.· dangerous drugs· a dangerous criminal ► risky if something is risky, something bad could easily happen or you could easily make a mistake: · Doctors said it was too risky to operate.· a risky situation ► hazardous especially written dangerous – used especially about substances, jobs, and journeys: · hazardous waste· hazardous chemicals· hazardous occupations· The expedition was extremely hazardous. ► unsafe dangerous because someone is very likely to be hurt – used especially about places or conditions: · The roads are unsafe for cyclists.· unsafe working conditions ► treacherous formal literary places or conditions that are treacherous are very dangerous for anyone who is walking, driving, climbing etc in them: · The snow turned to ice, making conditions treacherous for walkers.· the island’s treacherous coastline· With no lighting, the roads can be treacherous. ► perilous literary a perilous journey, situation etc is very dangerous: · a perilous journey across the sea ► high-risk [only before noun] a high-risk job, situation, or behaviour is likely to be dangerous: · Drug users need to know that sharing needles is high-risk behaviour. Longman Language Activatordangerous► dangerous someone or something that is dangerous is likely to cause death or serious harm: · Snow and ice are making driving conditions very dangerous.· dangerous drugs such as heroin and crack· It's dangerous work but for men like Clement, summer firefighting is an important source of income.highly/extremely dangerous (=very dangerous): · Police described the three escaped prisoners as highly dangerous.it is dangerous (for somebody) to do something: · The pilot says it's too dangerous to try to land the plane in this weather.· It's too dangerous for the kids to play in the street. ► risky if you do something risky , it is easy to make a mistake that might cause death or serious harm - use this about things that you decide to do although you know they may be dangerous: · He'll have to land the aircraft in a field. It's risky, but there's no alternative.· Personal insurance is expensive if you plan to take part in a risky sport such as parachuting.risky to do something: · The State Department advised its employees that fighting near the borders made it too risky to leave the country.risky business (=something you do that is risky): · the risky business of putting a space vehicle into orbit ► poisonous something that is poisonous will make you ill or kill you if you swallow it or breathe it: · The boy died after eating poisonous berries.· Many of our rivers are full of poisonous chemicals.highly poisonous: · Carbon monoxide is a highly poisonous gas. ► hazardous especially written a hazardous activity or journey is one that is dangerous. Hazardous chemicals or substances are dangerous - used especially on warning signs: · All of us knew that the expedition was likely to be extremely hazardous.· Being the President's bodyguard is obviously a hazardous occupation.· In 1820, a voyage to Australia was a hazardous undertaking.· Employees who were exposed to hazardous substances are now claiming compensation. ► high-risk a high-risk job, situation, place, or type of behaviour is likely to be dangerous: · A polio vaccine is recommended before travelling to high-risk areas.· We are getting the message across to drug users that sharing needles is a high-risk behaviour. ► treacherous places or conditions that are treacherous are very dangerous for anyone who is walking, driving, climbing etc in them: · Strong winds and heavy rain are making driving conditions treacherous in some areas.· There are treacherous underwater currents along this stretch of coast. ► perilous written a perilous journey, situation etc is very dangerous - used especially in literature: · Refugees cross the rugged San Ysidro mountains, and it is always a perilous trip.· Blondin soon became famous as a rope-dancer. Nothing was too perilous for him to attempt. not loyal► disloyal not loyal to your friends, your country, or the group you belong to: · Government MPs who voted against the bill were accused of being disloyal.· She felt disloyal and ashamed of herself.disloyal to: · He didn't want to be disloyal to his employer. ► treacherous someone who is treacherous is extremely disloyal and cannot be trusted because they secretly intend to harm other people in order to get advantages for themselves: · He knew he had been betrayed by a scheming and treacherous woman. Collocations COLLOCATIONS FROM OTHER ENTRIES► dangerous/treacherous current · Beaches usually have signs that warn of dangerous currents. 1someone who is treacherous cannot be trusted because they are not loyal and secretly intend to harm you:  a sly and treacherous woman a treacherous plot to overthrow the leader2ground, roads, weather conditions etc that are treacherous are particularly dangerous because you cannot see the dangers very easily:  treacherous mountain roads Strong winds and loose rocks made climbing treacherous.► see thesaurus at dangerous—treacherously adverb
随便看	strapped strapping Strasberg, Lee Strasbourg strata stratagem strategic strategically Strategic Defense Initiative strategist strategy Stratford-upon-Avon Strathclyde stratification stratified stratify stratosphere stratospheric stratum Strauss, Johann Strauss, Richard Stravinsky, Igor straw strawberry strawberry blonde

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