1(fig.) person with a particular undesirable characteristic
2lower form of animal life, including insects, insect larvae, worms and similar creatures
Examples
wǒ men我们jiào叫tā她yí一gè个shū书chóng虫。
我们叫她一个书虫。
She is what we call a bookworm.
你是只虫。
You're a bug.
我们已经准备好应付千年虫。
We're thoroughly prepared for the Y2K bug.