parasite
US /ˈper.ə.saɪt/
UK /ˈper.ə.saɪt/

1.
2.
寄生蟲, 白吃白喝的人
a person who habitually relies on or exploits others and gives nothing in return
:
•
He's a real parasite, always living off his parents' money.
他真是個寄生蟲,總是靠父母的錢生活。
•
The community tried to get rid of the social parasites who contributed nothing.
社區試圖擺脫那些毫無貢獻的社會寄生蟲。