世外桃源 [词典] land of idyllic beauty; Shangri-la; Arcadia; a place for taking refuge; Xanadu; [例句]这花园依山傍水，四面苍松翠柏，绿树成荫，仿佛是世外桃源。Fronting water and with a hill at the back, this garden had a dense growth of evergreen trees and formed a “ retreat away from the world ”.
