cloud cuckoo land
UK disapproving uk/ˌklaʊd ˈkʊk.uː.lænd/ us/ˌklaʊd ˈkʊk.uː.lænd/
live/be in cloud cuckoo land 生活在虚无缥缈的世界；生活在虚幻的理想境界；不现实
to think that things that are completely impossible might happen, rather than understanding how things really are
When referees make contentious decisions players are going to be upset, and anyone who thinks otherwise is living in cloud cuckoo land. 裁判作出有争议的判决时运动员心里会很不痛快，谁要是不这么认为那简直是太不现实了。