来自拉丁语pestis,传染病，瘟疫，诅咒，词源同pestilence.引申词义害虫，害鸟等。

1. One hundred million rats are killed each year by pest exterminators.

每年灭鼠人员都会杀死1亿只老鼠。

2. That disobedient boy is a pest.

那不听话的男孩令人讨厌.

3. Through drawing lessons from PEST model in marketing, Section Two.

第二部分通过借鉴营销学PEST模型, 分析了当前报业情感诉求策略的环境.

4. The image of the fox as a pest is grossly exaggerated in anecdote and folklore.

狐狸的害人精形象在传闻和民间故事中遭到严重的夸大。

5. He climbed on the table, pulled my hair, and was generally a pest.

他爬桌子，拽我的头发，总之是个讨厌鬼。