吸虫

trematoda / fluke / trematode worm, approx 6000 species, mostly parasite, incl. on humans

to breathe / to suck in / to absorb / to inhale

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