| 虫 | chóng | worm or insect; generic term for animals; CL:条,只 |
| 幼虫 | yòu chóng | larva |
| 病虫害 | bìng chóng hài | plant diseases and insect pests |
| 昆虫 | kūn chóng | insect; CL:只,群,堆 |
| 虫害 | chóng hài | insect pest; insect-borne blight; damage from locusts |
| 寄生虫 | jì shēng chóng | parasite; drone |
| 成虫 | chéng chóng | imago (adult, sexually mature insect, the final stage of its development) |
| 蝗虫 | huáng chóng | locust |
| 蚜虫 | yá chóng | greenfly (Aphis spp.); aphid |
| 杀虫剂 | shā chóng jì | insecticide; pesticide |
| 血吸虫 | xuè xī chóng | schistosoma |
| 虫子 | chóng zi | insect; bug; worm; CL:条,只 |
| 白蜡虫 | bái là chóng | Chinese white wax bug (Ericerus pela) |
| 线虫 | xiàn chóng | nematode worm (Caenorhabditis elegans) |
| 敌百虫 | dí bǎi chóng | trichlorphon C4H8Cl3PO4, organic phosphate used as insecticide; also called dipterex |
| 毛虫 | máo chóng | caterpillar |
| 蛔虫 | huí chóng | roundworm (Ascaris lumbricoides), a human parasite |
| 昆虫学 | kūn chóng xué | entomology |
| 臭虫 | chòu chóng | bedbug (Cimex lectularius) |
| 蚊虫 | wén chóng | mosquitoes and other insects |
| 变形虫 | biàn xíng chóng | amoeba |
| 眼虫 | yǎn chóng | Euglena (genus of single-celled plant) |
| 钻心虫 | zuān xīn chóng | boring insect; snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest |
| 益虫 | yì chóng | beneficial insect |
| 绦虫 | tāo chóng | tapeworm |
| 害虫 | hài chóng | injurious insect; pest |
| 三叶虫 | sān yè chóng | trilobite |
| 冬虫夏草 | dōng chóng xià cǎo | caterpillar fungus (Cordyceps sinensis) |
| 千足虫 | qiān zú chóng | millipede |
| 可怜虫 | kě lián chóng | pitiful creature; wretch |
| 吸虫 | xī chóng | trematoda; fluke; trematode worm, approx 6000 species, mostly parasite, incl. on humans |
| 吸虫纲 | xī chóng gāng | Class Trematoda; fluke; trematode worm, a parasite incl. on humans |
| 夏虫不可以语冰 | xià chóng bù kě yǐ yǔ bīng | A summer insect (which does not live to see winter) cannot talk about ice; to have limited experience and knowledge (idiom) |
| 大虫 | dà chóng | tiger |
| 害人虫 | hài rén chóng | pest; evil-doer |
| 小毛虫 | xiǎo máo chóng | slug |
| 巴贝西亚原虫病 | bā bèi xī yà yuán chóng bìng | babesiosis |
| 底栖有孔虫 | dǐ qī yǒu kǒng chóng | benthic foramanifera; seabed plankton |
| 恙虫病 | yàng chóng bìng | Scrub typhus; Tsutsugamushi disease; Mite-borne typhus fever |
| 恶性疟原虫 | è xìng nüè yuán chóng | plasmodium falciparum (malaria parasite) |
| 应声虫 | yīng shēng chóng | yes-man; opinionless person |
| 懒虫 | lǎn chóng | lazy fellow (insult); idle slob |
| 扁虫 | biǎn chóng | flatworm |
| 扁锹形虫 | biǎn qiāo xíng chóng | giant stag beetle (Dorcus titanus) |
| 打虫 | dǎ chóng | to swat an insect; to get rid of intestinal parasite with drugs |
| 捕虫叶 | bǔ chóng yè | insect-catching leaf |
| 放射虫 | fàng shè chóng | radiolarian (single-celled animal) |
| 书虫 | shū chóng | bookworm |
| 有孔虫 | yǒu kǒng chóng | foramanifera (a form of plankton) |
| 有钩绦虫 | yǒu gōu tāo chóng | tapeworm (Taenia solium) |
