pest
/pest; pɛst/ n
1 [C] (infml 口) annoying person or thing 讨厌的人; 害人虫; 坑人的事物
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!
2 [C] insect or animal that destroys plants, food, etc 害虫、 害兽、 害鸟等有害动物
Stores of grain are frequently attacked by pests, especially rats. 储存的 物经常受损坏, 尤其是老鼠为患最甚.
garden pests, eg slugs, greenfly 花园中的害虫（如蛞蝓、 蚜虫）. Cf 参看 vermin 1.
3 [C, U] (arch 古) = pestilence.