a person who is always cheerful and expects only good things to happen 盲目乐观的人;无忧无虑的人 More Like This Expressions from literary sourcesExpressions from literary sourcesWord OriginFrom the name of a character created by the US writer of children’s stories, Eleanor Hodgman Porter.CultureThe character appears in the novels Pollyanna (1913) and Pollyanna Grows Up (1915). Pollyanna was later a silent film (1920) with Mary Pickford and a Walt Disney film (1960) with Hayley Mills.Word Originearly 20th cent.: the name of the optimistic heroine created by Eleanor Hodgman Porter (1868–1920), American author of children's stories.