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单词 harmful
释义
harmfulharm‧ful /ˈhɑːmfəl $ ˈhɑːrm-/ ●●○ adjective Examples
EXAMPLES FROM OTHER DICTIONARIES
  • 80% of Americans think that television is harmful to society and especially to children.
  • As yet there is no proof that genetically modified foods are harmful to humans.
  • Doctors have warned against the harmful effects of smoking.
  • Many of the products that we have around our homes are harmful if swallowed.
  • Pushing kids so hard from such an early age is likely to have some harmful results.
  • Scientists have recommended that new technology be used to target harmful bacteria.
  • Scientists tend to agree that most diets don't work and can be harmful.
  • The destruction of the ozone layer will have a very harmful effect on the environment.
  • The new air pollution controls are designed to limit harmful emissions from industry and motor vehicles.
  • The protests were aimed at ending the dumping of harmful industrial waste at sea.
  • The sun's rays can be very harmful to the skin.
  • You should always use sunscreen to protect your skin from the harmful effects of the sun.
EXAMPLES FROM THE CORPUS
  • If one is inherently harmful, so is the other.
  • Is it a harmful geographic stereotype to suggest that southerners are a little bit poky?
  • Residents living in the Jennyfields area of Harrogate were warned that the pills could prove harmful if taken by children.
  • The cilia in the respiratory tract hasten the exit from the body of possibly harmful foreign material.
  • The creation of the Premier League is therefore irrelevant and potentially harmful.
  • The problem is, what is good to eat and what is harmful?
  • Thorough cooking kills harmful bacteria, so be sure ground meat and poultry are cooked to the well-done stage.
  • Yet medicine is not a precise science and some treatments recommended, though they benefit most casualties, may occasionally be harmful.
Thesaurus
THESAURUS
causing physical harm – used especially about things that cause harm to your health, the environment etc: · Smoking is harmful to your health.· drugs with harmful side effects
to have a harmful effect on someone or something. This phrase is very commonly used in everyday English when saying that something is harmful: · Everyone knows that too much alcohol is bad for you.
used about things that cause permanent physical harm, or that have a bad effect in other ways, for example on people’s opinion of someone: · Acid rain has a damaging effect on trees and the soil.· The allegations were very damaging to his career.· Constant criticism is damaging to a child’s self-esteem.
formal causing harm or having a bad effect on something: · Employers are worried that the new laws will have a detrimental effect on their business.· chemicals that are detrimental to the environment· policies that have been detrimental to the interests of old people
a negative effect is one that is bad and causes problems: · The car tax had a negative effect on car sales.· the negative impact of the recession in the US
hazardous substances are likely to be dangerous to people’s health and safety: · Hazardous waste needs to be disposed of safely.· hazardous chemicals
toxic substances, smoke etc are poisonous: · toxic waste· toxic fumes· Toxic chemicals spilled into the river.
formal used about something that has a gradual bad effect which is not easy to notice, especially on people’s morals, or on their health: · the pernicious effects of violent video games· the pernicious effect of secondhand smoke
Longman Language Activatorlikely to harm people's health or the environment
· Scientists have recommended that new technology be used to target harmful bacteria.· Many of the products that we have around our homes are harmful if swallowed.· The protests were aimed at ending the dumping of harmful industrial waste at sea.harmful to · The sun's rays can be very harmful to the skin.
something that is poisonous contains a chemical that makes people, animals, or plants etc very ill or could kill them if they breathe it, swallow it, or touch it etc: · Don't drink that -- it's poisonous!· The adder is the only poisonous snake in Britain.highly poisonous: · Carbon monoxide is a highly poisonous gas, mostly produced by cars.
: hazardous chemicals/waste/substances etc substances that are poisonous and will harm people, animals, or the environment if they are not dealt with or got rid of carefully: · Lead is one of the most hazardous substances known, causing cancer and nerve damage.· The building is now unoccupied, and all radioactive or hazardous materials have been removed.· We need better regulations regarding the transportation of hazardous waste along public roads.
chemicals, gases, or waste products that are poisonous and harmful to people, animals, or the environment - used especially in technical or scientific contexts : · Research has found that the drug contains a toxic chemical that can cause respiratory problems.toxic waste (=from factories etc): · We need more installations for the disposal of toxic waste.highly toxic: · highly toxic radioactive waste productstoxic to: · Carbon dioxide is not highly toxic to animals or humans in small amounts.
formal a noxious chemical or gas harms your health and is very unpleasant: · Residents have to put up with noxious fumes from the nearby factory.· Increasing tax on petrol would encourage people to drive smaller cars with fewer noxious emissions.
harming something or someone
· Pushing kids so hard from such an early age is likely to have some harmful results.· Scientists tend to agree that most diets don't work and can be harmful.· The destruction of the ozone layer will have a very harmful effect on the environment.harmful to · 80% of Americans think that television is harmful to society and especially to children.
harmful and usually having a permanent effect: · Up to 1500 patients suffered damaging side-effects after taking the drug.· The publicity that followed the scandal has been extremely damaging.damaging to: · The British beef crisis was damaging to the livelihoods of thousands of people in the industry.
likely to harm someone or something, especially in a way that is not too serious - use this especially about something that could also have a good effect if the situation was different: · Doctors have a duty to inform patients of the possible negative side-effects of the drug.· The school environment can be a negative force as well as a positive one.
to have a harmful effect on something such as an activity, organization, or type of work: · When companies close down, it's bad for the town and bad for the local economy.· A bad marriage is bad for the kids.· Reading without good lighting is bad for your eyes.
something that is bad for your health
to make you less healthy or make you ill: · Children always seem to love food that's bad for them - ice-cream, sugar, burgers.· Everyone knows that smoking is bad for your health.
likely to make you ill or less healthy: · He has such an unhealthy lifestyle -- smoking, drinking, eating too much.· An unhealthy diet is one that is too high in fat and sugar and too low in fibre.· My mother thought it was unhealthy to sleep with the windows shut at night.
likely to have a bad effect on your health: · The new air pollution controls are designed to limit harmful emissions from industry and motor vehicles.· You should always use sunscreen to protect your skin from the harmful effects of the sun.harmful to: · As yet there is no proof that genetically modified foods are harmful to humans.
very harmful to your health, and usually having a permanent effect: · Avoid too much exposure to damaging ultraviolet light.damaging to: · X-rays can be extremely damaging to living cells.
Collocations
COLLOCATIONS FROM OTHER ENTRIES
· Many cleaning products contain chemicals that can be harmful.
(=causing harm or damage to something or someone)· the harmful effects of drinking too much alcohol· Some of the effects can be quite damaging.
(=likely to cause harm to people or the environment)· The law is designed to limit harmful emissions.
· Emissions from cars are harmful to the environment.
 a natural remedy with no harmful side effects
· Using chemicals or other hazardous substances at work can put people's health at risk.
COLLOCATIONS FROM THE CORPUSADVERB
· The mushrooms themselves are only as harmful as most other hallucinogens.· His resistance to her demand will be as harmful as compliance, but her misery commands his sympathy.· Remember, too much could be just as harmful as too little.
· There has also been a great deal of adulation which is perhaps even more harmful for it generates mysticism.· Tobacco and alcohol are far more harmful than the so-called hard drugs, heroin and cocaine.· Computers and photocopiers are more harmful than tobacco?· Some biologists suspect that these pulse-modulated radiations may be more harmful than unperturbed waves.
· The most harmful type are saturated animal fats, found in meat and dairy products.· Tampering with the seam is much the most harmful form of ball vandalism.· The experience was likely to be most harmful between six months and three years of age.
· These kinds of exemptions were regarded as potentially harmful by organizations such as the Royal Town Planning Institute.· And the child accidentally receives a greater and potentially harmful dosage of pain reliever.· The creation of the Premier League is therefore irrelevant and potentially harmful.· They admit the treatment for changing the color of your skin is potentially harmful and not very effective.· This is not to say that lower gliadin doses are not potentially harmful to coeliac disease subjects.· When Delaney offered his amendment, scientists could identify traces of potentially harmful substances down to a level of parts per million.· The intact skin acts as a barrier between the internal and the external environment which contains many potentially harmful agents.· The tyres contain only low levels of carbon and no dioxins; potentially harmful products of burning tyres are to be recycled.
NOUN
· Other plants sown with the reeds absorb heavy metals and harmful bacteria.· Thorough cooking kills harmful bacteria, so be sure ground meat and poultry are cooked to the well-done stage.· Ridding his stables of a harmful bacteria cocktail has been a long and costly process for Berwickshire trainer James Adam.· More than a decade ago the National Academy of Sciences recommended that new technology be used to target harmful bacteria.· Two separate surveys found that many prepacked sandwiches were being stored at dangerously high temperatures, causing the spread of harmful bacteria.· Other chips may detect the presence of moulds or harmful bacteria.
· Knowledge about the harmful consequences of smoking could be maintained in a low key manner through the school curriculum.
· The self-interest behind such measures and the harmful effects in Third World countries are plain for all to see.· Initially there were concerns about the possibly harmful effects of athletics and exercise.· There are risks involved in vaccinations, and the vaccination itself may have harmful effects, especially if incorrectly given.· These harmful effects can also be exacerbated by the adoption of increased protectionist measures by trading blocs against non-bloc countries.· Additionally, rapid repetition of the experiment allows the production of abdominal movies without any harmful effects to the subjects.· Discussions about drugs' harmful effects were one thing, but McGrath was sick with heroin.· Has anyone considered the harmful effects of these plants or their sap on aquatic life?· Nor can we discount the possibility that some factor in the diet itself has harmful effects.
· This also made it easier to note any harmful side effects of medication and ensure compliance with treatment.· There is no sound evidence of Ginseng inducing harmful side effects.
· So when it's added to harmful substances, it makes them unpalatable.· When Delaney offered his amendment, scientists could identify traces of potentially harmful substances down to a level of parts per million.· Use aquarium gravel, as it should not leach harmful substances into the water.· Bogwood is semi-fossilised, and should not contain harmful substances, but it may stain the water dark brown.· Accidents, both from injuries or harmful substances entering the eye, can cause scarring and ulceration.
Word family
WORD FAMILYnounharmharmlessnessadjectiveunharmedharmful ≠ harmlessverbharmadverbharmlessly
 causing harm:  the harmful effects of smokingharmful to chemicals that are harmful to the environmentTHESAURUSharmful causing physical harm – used especially about things that cause harm to your health, the environment etc: · Smoking is harmful to your health.· drugs with harmful side effectsbe bad for somebody/something to have a harmful effect on someone or something. This phrase is very commonly used in everyday English when saying that something is harmful: · Everyone knows that too much alcohol is bad for you.damaging used about things that cause permanent physical harm, or that have a bad effect in other ways, for example on people’s opinion of someone: · Acid rain has a damaging effect on trees and the soil.· The allegations were very damaging to his career.· Constant criticism is damaging to a child’s self-esteem.detrimental formal causing harm or having a bad effect on something: · Employers are worried that the new laws will have a detrimental effect on their business.· chemicals that are detrimental to the environment· policies that have been detrimental to the interests of old peoplenegative a negative effect is one that is bad and causes problems: · The car tax had a negative effect on car sales.· the negative impact of the recession in the UShazardous hazardous substances are likely to be dangerous to people’s health and safety: · Hazardous waste needs to be disposed of safely.· hazardous chemicalstoxic toxic substances, smoke etc are poisonous: · toxic waste· toxic fumes· Toxic chemicals spilled into the river.pernicious /pəˈnɪʃəs $ pər-/ formal used about something that has a gradual bad effect which is not easy to notice, especially on people’s morals, or on their health: · the pernicious effects of violent video games· the pernicious effect of secondhand smoke
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更新时间：2025/1/9 21:43:14