an insect or animal that destroys plants, food, etc. 害虫；害兽；害鸟 insect/plant/garden pests 害虫；作物／花园害虫 a pest control officer 虫害防治员 These birds provide a useful function in controlling insect pests. 这些鸟在控制害虫方面发挥了有益的作用。
Oxford Collocations Dictionaryadjective- common
- major
- serious
- …
- control
- repel
- eradicate
- …
- control
- controller
- management
- …
- (informal)
an annoying person or thing 讨厌的人（或物）
Word Originlate 15th cent. (denoting the bubonic plague): from French peste or Latin pestis ‘plague’.