jì​shēng​chóng

parasite

寄生虫 (寄生蟲) jì​shēng​chóng
parasite noun
an organism that lives in or on an organism of another species and benefits by deriving nutrients at the other's expense

This parasite enters the human body through contaminated water.

freeloader noun
a person who lives off others without doing any work or giving anything in return

He didn't want to be a parasite his whole life, so he decided to go out and look for a job.

Frequency

Movie subtitles
5.16 per million appears in 2% of films
Written text
3.64 per million

Sources

Definitions
CC-CEDICT