harmless

adj.

1. 无害的；不会导致损伤的
   unable or unlikely to cause damage or harm
   1. The bacteria are harmless to humans.
      这些细菌对人无害。
2. 不会引起不快的；无恶意的
   unlikely to upset or offend anyone
   1. It's just a bit of harmless fun.
      开个小玩笑罢了，并无恶意的。

1. ADJ-GRADED 无害的;（尤指对健康）不造成伤害的
   Something that is harmless does not have any bad effects, especially on people's health.
   1. Industry has been working at developing harmless substitutes for these gases...
      该行业一直在努力开发一些可以替代这些气体的无害物质。
   2. This experiment was harmless to the animals.
      这个试验不会对动物造成伤害。
2. ADJ-GRADED 无关紧要的;不讨人厌的;不会惹麻烦的
   If you describe someone or something as harmless, you mean that they are not important and therefore unlikely to annoy other people or cause trouble.
   1. He seemed harmless enough...
      他看起来不会惹什么麻烦。
   2. I would not want to deny them a harmless pleasure.
      我不想剥夺他们这点无伤大雅的乐趣。

1. Johnny was the most persistent and most harmless of her admirers.
   约翰尼是追她的人中最痴心、最没有心机的一个。
2. Horoscopes are merely harmless escapism from an ever-bleaker world.
   占星术只不过是让人逃避越发令人沮丧的世界的无害消遣罢了。
3. Industry has been working at developing harmless substitutes for these gases
   该行业一直在努力开发一些可以替代这些气体的无害物质。
4. This experiment was harmless to the animals.
   这个试验不会对动物造成伤害。
5. He seemed harmless enough
   他看起来不会惹什么麻烦。
6. I would not want to deny them a harmless pleasure.
   我不想剥夺他们这点无伤大雅的乐趣。
7. These reactive molecules are mopped up and made harmless by Vitamin E.
   这些活性分子已被维生素E灭活，没有害处了。
8. Not all chemicals normally present in living organisms are harmless.
   并不是所有常见于生物体中的化学物质都无害。
9. It is known to be harmless.
   已知它是无害的。
10. I thought my article was harmless, but I have stirred up a hornet's nest.
    我认为我的文章没有什么害处，但我却惹来麻烦。
11. This pesticide is harmless to people.
    这种农药对人体无害。
12. No cigarette is completely harmless.
    没有什么香烟是完全无害的。
13. However, the sweet smelling substance is said to be harmless to people and animals.
    据称这种气味香甜的物质对人类和动物无害。
14. Microbes can take toxic substances in contaminated soil and convert them into harmless byproducts.
    微生物能从被污染的土壤中吸收有毒的物质，把它们转化成无害的副产品。
15. Some of this is absorbed and changed into harmless things.
    其中一部分被吸收，变成了无害的东西。
16. Do you know how to distinguish a poisonous snake from a harmless one?
    你知道如何分辨毒蛇和无毒蛇吗？
17. They are normally harmless substances which combine to form a highly poisonous gas.
    通常状况下它们是无害的物质，但化合在一起后会形成毒性很高的气体。
18. I mean, one is harmless.
    我意思是一个是无害的。
19. Most of these bugs are harmless to us.
    这些虫子大多对我们无害。
20. To demonstrate that the stuff's harmless.
    来验证了那种东西是无害的。
21. Sludge treatment and disposal technologies axe studied with the aims of harmless treatment and resource reuse.
    以城市污泥的无害化处理和资源化利用为目标，研究污泥处理处置的技术。
22. Ozone is fairly harmless to people, but it hurts plants.
    臭氧一般对人无害，但它会伤害植物。
23. This was his harmless revenge for having occasionally had his credulity too easily engaged in america.
    他在美国有时过于轻信而上了当，因此现在作了这不含恶意的报复。
24. The composting method can be regarded as one important way to reduce the organic solid waste with harmless method.
    认为堆肥可作为有机固体废弃物无害化、减量化和资源化的重要途径。
25. This medicine is harmless to human beings.
    这种药对人类无害。
26. I don't suppose I could convince you it's just a harmless science experiment.
    我认为自己不能说服你这只是个无害的科学实验。
27. Normally, a millipede looks like a harmless creature to humans.
    平时，马陆看起来像是对人类无害的生物。
28. The air is harmless to the people.
    空气是对人无害的。
29. This drug kills germs but is harmless to pets and people.
    这种药剂杀菌但封宠物和人无害。
30. Few insecticides now marketed are adequately selective, so some harmless insects are killed as well as pests.
    现在市场上的杀虫剂很少有足够的选择性，所以一些无害的昆虫也和害虫一起被杀死了。

adj

1. not causing or capable of causing harm
   1. harmless bacteria
   2. rendered the bomb harmless