Meaning of chóng:
虫
variant of 蟲|虫[chong2]; lower form of animal life, including insects, insect larvae, worms and similar creatures; CL:條|条[tiao2],隻|只[zhi1]; (fig.) person with a particular undesirable characteristic
Cǎodì shàng yǒu xǔduō xiǎo chóng.
草地上有许多小虫。
There are many little insects on the grass.
Zhège huāyuán lǐ yǒu hěn duō bùtóng zhǒnglèi de xiǎo chóng.
这个花园里有很多不同种类的小虫。
There are many different kinds of little insects in this garden.
Zhège xiǎo nǚhái hàipà chóngzi.
这个小女孩害怕虫子。
This little girl is afraid of insects.
Nà gè rén zhēn shì gè shū chóng, zhěng tiān zhǐ zhīdào kàn shū.
那个人真是个书虫,整天只知道看书。
That person is really a bookworm, all he does is read books all day.