pearly king/queen
noun[C]
uk/ˌpɜː.li ˈkɪŋ/us/ˌpɝː.li ˈkɪŋ/Pearlykingsandqueensareparticularmen and women from London who have therighttodressinspecialblackclothescoveredwithpearlbuttons, inordertocollectmoneyforcharity.
珠母纽王／后（珠母纽王和珠母纽后指来自伦敦的特定男女，他们有权穿着缀满珍珠纽扣的黑衣服为慈善机构筹款）