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pest

英[pest]美[pest]

n.
1.[C]瘟疫，鼠疫
2.[C]害虫，害人虫

同：	[n.] cuss, pestilence, pestis, plague

bug，insect，pest，worm

这些名词均含“虫，昆虫”之意。
bug指小昆虫，尤指吸血的臭虫，也可指细菌。
insect含义广泛，多指蚂蚁、黄蜂、蝉等等。
pest指有害的昆虫或有害的小动物。
worm侧重指蚯蚓、蚕、毛虫等小而无骨的虫。

My little brother is a pest when he spoils my games.
我的小弟弟破坏我的各种游戏真讨厌。收藏
Genetically altered plants maybe subject to the federal Plant Pest Act and other laws depending on how they are constructed and their intended use.
逐步变化的工厂或许采用联邦的《工厂有害物质法案》和其它法案,这些法案都依赖于它们如何制定和使用意图。收藏
That child is an absolute pest-- he keeps ringing the doorbell and then running away!
那孩子讨厌极了--老是来按门铃,按完就跑了!收藏
In 1997, China re-assessed its pest and disease concerns associated with wheat and barley imports and added a further five to the list.
1997年，中国重新评估与进口小麦和大麦有关的害虫和疫病，并在病虫名录中增加了5种。收藏
That guy is a regular pest.
那家伙是个十足的讨厌鬼。收藏

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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
[同] pest, pestilence, pestis, plague
any epidemic disease with a high death rate
[同] pest, pestilence, plague

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