traffic warden
noun [ C ] mainly UK uk/ˈtræf.ɪk ˌwɔː.dən/ us/ˈtræf.ɪk ˌwɔːr.dən/
停车监督员
someone whose job is to make certain that people do not leave their cars in illegal places
A traffic warden gave me a ticket for parking on a double yellow line. 停车监督员给我开了一张罚单，因为我把车停在了双黄线上。