Tweedle·dum and Tweedle·deeBrE/ˌtwiːdlˌdʌm ən twiːdlˈdiː/NAmE/ˌtwiːdlˌdʌm ən twiːdlˈdiː/noun[pl.]twopeopleorthingsthatarenotdifferentfromeachother无差别的两个人（或事物）；半斤八两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 MittyORIGINFromtwocharactersinThroughtheLookingGlassbyLewisCarrollwholookthesameandsaythesamethings.源自刘易斯 · 卡罗尔所著小说《镜中世界》中的两个角色。