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

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。
Pest of grain storage in the current situation is not optimistic.
在我国粮食仓储中害虫防治的现状不容乐观。
Widespread plant and fruit pest.
广泛分布的植物和果类害虫。
Integrated insect pest control and effective water management should be developed.
发展病虫害防治和水分管理措施。
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。
Entomopathogenic nematode is a potential factor for biological control of underground pest.
昆虫病原线虫是一种有应用潜力的地下害虫生物防治因子。
Green caterpillar of a geometrid moth; pest of various fruit and shade trees.
尺蠖蛾的绿色的毛虫；破坏多种果树和遮荫树。
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%。
An insect pest fatal to cotton had struck the crop.
棉花遭受了一种致命的虫害。
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。