方丽君的回答：

pest n. 1. 有害的动物,害虫;有害的植物 The severe frost killed off most of the insect pests. 严霜杀死了大多数害虫。 2. 【口】讨厌的人;害人精;有害的东西 That guy is a regular pest. 那家伙是个十足的讨厌鬼。

情人眼泪的回答：

pest [pεst] 1. 名词 [c] (insect) 害虫 2. 名词 [fig] [inf] (nuisance) (person) 讨厌的人 pest [pεst] [pest] 1. 名词 讨厌的人（或东西）；害人虫（尤指害虫；有害动物；野草） 2. 名词 [旧式用语] 瘟疫（尤指鼠疫） pest [pεst] 1. n a person or thing that annoys, esp by imposing itself when it is not wanted; nuisance 2. n any organism that damages crops, injures or irritates livestock or man, or reduces the fertility of land 3. n (as modifier) pest control 4. n [rare] an epidemic disease or pestilence 5. n [etymology] c16: from latin pestis plague, of obscure origin 例句这孩子真缠人。that kid is a real pesterer (or pest, nuisance). 这孩子老缠磨人。the child is really a pest. 害虫 pest