pest [pest]

以下由轻松背单词网站提供

n.瘟疫，鼠疫；害虫，害人虫；

an insect or small animal which is harmful or which damages crops

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%。
That guy is a regular pest. 那家伙是个十足的讨厌鬼。