Polly·annaBrE/ˌpɒliˈænə/NAmE/ˌpɑːliˈænə/noun[usually sing.]apersonwhoisalwayscheerfulandexpectsonlygoodthingstohappen盲目乐观的人；无忧无虑的人Expressions from literary sourcesAlice in Wonderland,Casanova,Cassandra,Don Juan,Dorian Gray,Falstaffian,Frankenstein,Jekyll and Hyde,Lilliputian,Lothario,Orwellian,Pandora’s box,Peter Pan,Pied Piper,Pollyanna,Rip Van Winkle,Ruritanian,Scrooge,Shangri-La,Sherlock,Stepford Wife,Svengali,Tweedledum and Tweedledee,Utopia,Walter MittyORIGINFromthenameofacharactercreatedbytheUSwriterofchildren'sstories, EleanorHodgmanPorter.源自美国儿童文学作家埃莉诺 · 霍奇曼 · 波特所创作的人物波莉亚娜。