city slicker
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌcity ˈslicker noun [countable] EXPERIENCEDsomeone who lives and works in a city and has no experience of anything outside it – often used to show disapproval 〔对城市以外的情况毫无体验的〕城里人，城市居民〔常含贬义〕
Examples from the Corpus
city slicker• Once you get accustomed to life on the range, it's hard to go back to being a city slicker.Origin city slicker (1900-2000) slicker from slick “to deceive cleverly” ((19-20 centuries)), from SLICK1ˌcity ˈslicker nounChineseSyllable
Corpus lives who someone a in works and city
city slicker
ˌcity ˈslicker
noun [countable]someone who lives and works in a city and has no experience of anything outside it – often used to show disapproval
ˌcity ˈslicker
noun [countable]someone who lives and works in a city and has no experience of anything outside it – often used to show disapproval