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

This is a new subject and needs to be explored in depth. pest, most severe, etc.
这是个新课题，需要深入研究。
Citrus whitefly has been a major pest in citrus production.
柑桔白粉虱已成为危害柑桔生产的主要害虫。
In addition, this paper introduced the modern controlling technique implement in the ecologic pest management.
同时还介绍了现代调控技术在实施有害生物生态治理中的应用前景。
Pest risk analysis includes pest risk assessment and pest risk management.
有害生物风险分析包括有害生物风险评估和有害生物风险管理。
Vines wither as pest returns.
害虫来了，葡萄藤就枯萎了。
Globally there is limited quantifiable data about pest incidence and their effects on forests and forest products.
在全球范围内，有关病虫害发生率及其对森林和森林产品造成影响的可量化数据有限。
These results provide a scientific basis for accurate sampling and effective management of this pest.
研究结果为田间灰飞虱的准确抽样调查和有效防治提供了科学依据。
Some suggestions for the further control and study on this insect pest were also proposed.
对今后的防治和研究提出了一些建议。
An insect pest fatal to cotton had struck the crop.
棉花遭受了一种致命的虫害。
Pest insect community on orange leaves is analyzed with fuzzy cluster method.
经模糊聚类分析表明，柑桔叶片害虫群落由3个集群和3个边缘种组成。