pavement artist
noun [ C ] art UK uk/ˈpeɪv.mənt ˌɑː.tɪst/ us/ˈpeɪv.mənt ˌɑːr.t̬ɪst/ (US sidewalk artist)
(用彩色粉笔在人行道上作画讨钱的)街头画家
a person who draws pictures on a pavement using coloured chalks, especially so that people who walk past will give small amounts of money