harmful

adj.

1. （尤指对健康或环境）有害的，导致损害的
   causing damage or injury to sb/sth, especially to a person's health or to the environment
   1. the harmful effects of alcohol
      酒精的害处
   2. Fruit juices can be harmful to children's teeth.
      果汁可能损坏儿童的牙齿。
   3. the sun's harmful ultra-violet rays
      太阳的有害紫外线
   4. Many household products are potentially harmful.
      很多家用产品有潜在的害处。

1. ADJ-GRADED 有害的;（尤指）有损健康的
   Something that is harmful has a bad effect on something else, especially on a person's health.
   1. ...the harmful effects of smoking...
      吸烟的危害
   2. It's believed the affair was potentially harmful to British aviation.
      据信该事件可能对英国航空业造成不利影响。

1. Continuous exposure to sound above 80 decibels could be harmful.
   持续暴露在强度高于80分贝的噪声中可能有害。
2. Effluent from the sedimentation tank is dosed with disinfectant to kill any harmful organisms
   沉降池中的废水中加入了消毒剂，以消灭所有有害微生物。
3. Polyunsaturated oils are essential for health. Excess is harmful, however.
   多不饱和油对健康很重要。但是，食用过量就会有害。
4. Such laws could protect the consumer from harmful or dangerous remedies
   这样的法规可以保护消费者免受有害或者危险药品的威胁。
5. It's believed the affair was potentially harmful to British aviation.
   据信该事件可能对英国航空业造成不利影响。
6. Whatever is hidden is harmful ( hence revelation equals security)
   任何隐藏的东西都是有害的（所以披露就等于安全）。
7. Accidental inhalation of the powder can be harmful
   意外的粉尘吸入可能有害。
8. Radon is known to be harmful to humans in large quantities
   众所周知，大量的氡会对人体造成伤害。
9. Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun
   臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。
10. Mr Campbell said such programmes were by their very nature harmful
    坎贝尔先生说此类节目本质上就是有害的。
11. Excessive drinking is harmful to the health.
    饮酒过多会伤害身体。
12. Any conduct harmful to the public interest must not be permitted.
    凡是损害公共利益的行为，都应该制止。
13. Excessive smoking is harmful to one's health.
    吸烟过多对身体有害处。
14. Is this harmful to animals?
    这对动物有害吗？
15. The new drug has proved to have harmful side effects.
    这种新药有副作用。
16. It is harmful to drink in excess.
    饮酒过量是有害的。
17. A poor diet is harmful to one's health.
    吃得不好会妨害健康。
18. It's harmful for the students'overall review if a teacher predicts the test.
    考试之前，老师押题不利于学生全面复习。
19. The moderates, on the other hand, have left an ambiguous and, in the end, harmful legacy.
    而温和派们则始终态度含糊，最终，遗患无穷。
20. Smoking is a harmful vice.
    吸烟是一种有害的恶习。
21. Smoking is extremely harmful to your health.
    吸烟对身体极其有害。
22. Such views are harmful to solidarity.
    这种论调不利于团结。
23. The researchers also said the antioxidants folic acid and B vitamins are harmful or ineffective for preventing chronic diseases.
    研究人员还说，抗氧化剂叶酸和维生素B对预防慢性疾病是有害或无效的。
24. Games are as harmful as alcohol, drugs and gambling, that's the prejudice.
    他们认为玩游戏和酒精、毒品和赌博的害处一样大。
25. This is harmful for the body and the cause of many fatal diseases.
    这是有害的身体和事业的许多致命疾病。
26. Smoking and drinking will be harmful.
    抽烟和喝酒对病有害。
27. This can be harmful to the respiratory system.
    这可能损害呼吸系统。
28. The polluted water and air are harmful to people's health.
    污染了的水和空气对人的健康有害。
29. Brand perfumes are genuine and completely natural and safe fragrances, free from harmful chemical ingredients and toxic synthetics.
    品牌香水是真正的和完全的自然和安全的香水，免受有害的化学成分和有毒合成。
30. It is free of tar and other substances which is harmful.
    它是免费的焦油和其他有害物质。

adj

1. causing or capable of causing harm
   1. too much sun is harmful to the skin
   2. harmful effects of smoking