pest

英 [pest]

美 [pest]

n. 害虫; 害兽; 害鸟; 讨厌的人(或物)

复数：pests　

Collins.2 / BNC.6622 / COCA.6842

牛津词典

noun

害虫；害兽；害鸟
an insect or animal that destroys plants, food, etc.
1. pest control
  害虫防治
2. insect/plant/garden pests
  害虫；作物 / 花园害虫
讨厌的人（或物）
an annoying person or thing
1. That child is being a real pest.
  那个孩子真讨厌。

N-COUNT 害虫；害兽
Pestsare insects or small animals which damage crops or food supplies.
1. ...crops which are resistant to some of the major insect pests and diseases...
  对一些主要病虫害有抵御能力的作物
2. Each year ten percent of the crop is lost to a pest called corn rootworm.
  一种叫玉米根虫的害虫每年会让粮食减产10%。
3. ...new and innovative methods of pest control.
  防治虫害的创新办法
N-COUNT 讨厌鬼（尤指儿童）
You can describe someone, especially a child, as apestif they keep bothering you.
1. He climbed on the table, pulled my hair, and was generally a pest.
  他爬桌子，拽我的头发，总之是个讨厌鬼。

noun

any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.
1. he sprayed the garden to get rid of pests
2. many pests have developed resistance to the common pesticides
a persistently annoying person
Synonym:blightercusspesterergadfly
any epidemic disease with a high death rate
Synonym:plaguepestilence
a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
Synonym:plaguepestilencepestis

One hundred million rats are killed each year by pest exterminators.
每年灭鼠人员都会杀死1亿只老鼠。
Finally, the effects of host plant on insecticide susceptibility applied in pest management were discussed.
最后，就寄主植物影响害虫对药剂敏感性在害虫治理中的应用作了探讨。
The importance and application prospects of plant tolerance in integrated pest management were also discussed.
文中最后讨论了植物耐虫性在害虫综合治理中的重要性及应用前景。
"It's the first time that China found such a pest in imported soybeans," the circular said.
“这是中国在进口的大豆中第一次发现该类的害虫”，通知中说。
IPP conducts research on plant pest and disease species as well as corresponding application technologies.
其研究对象是植物虫害和疾病种类，以及相应的应用技术。
That man's a real pest.
那人真是牛皮糖。
Pest infestation also easily occurs, mainly rice weevil and corn weevil, etc.
害虫感染也易发生，主要感染的害虫有米象和玉米象等。
An insect pest fatal to cotton had struck the crop.
棉花遭受了一种致命的虫害。
Asiatic insect introduced accidentally into United States; pest on citrus and apple trees.
偶然引入美国的亚洲昆虫；对柑橘树和苹果树有害。
Each year ten percent of the crop is lost to a pest called corn rootworm.
一种叫玉米根虫的害虫每年会让粮食减产10%。