| 贾第虫 | Jiǎ dì chóng | Giardia lamblia protozoan parasite that inhabits the gut | 
| 贾 | Jiǎ | surname Jia | 
| 贾 | gǔ | merchant / to buy | 
| 第 | dì | (prefix indicating ordinal number, as in 第六 "sixth") / (literary) grades in which successful candidates in the imperial examinations were placed / (old) residence of a high official / (literary) but; however / (literary) only; just | 
| 虫 | chóng | variant of 虫 | 
| 虫 | chóng | lower form of animal life, including insects, insect larvae, worms and similar creatures / CL:条,只 / (fig.) person with a particular undesirable characteristic |