parasite
US
UK parasite n: (organism living on another)
SC 寄生虫 jì shēng chóng
TC 寄生蟲
TC 寄生蟲
After eating street food in China, I contracted a parasite.
parasite n: figurative ([sb] who lives off another) (比喻)
SC 靠他人为生的人，寄生虫一般的人 kào tā rén wéi shēng de rén，jì shēng chóng yì bān de rén
My brother is a parasite; he's never worked and depends on his family for money.