la-di-da (also lah-di-dah) BrE/ˌlɑː di ˈdɑː/NAmE/ˌlɑː di ˈdɑː/adjective(informal, especiallyBrE) usedtodescribeawayofspeakingorbehavingthatistypicalofupper-classpeoplebutthatisnotnaturalorsincere(描述像上层人的说话或举止)装腔作势的,装模作样的,做作的SYNaffected
la-di-da (also lah-di-dah) BrE/ˌlɑː di ˈdɑː/NAmE/ˌlɑː di ˈdɑː/exclamationusedwhensbisirritatingyou, becausetheyseemtothinktheyaremoreimportantthantheyreallyare真可笑(用于讥讽自视过高惹人讨厌的人)