cuckooBrE/ˈkʊkuː/NAmE/ˈkʊkuː/noun (cuckoos) abirdwithacallthatsoundslikeitsname. Cuckoosleavetheireggsinthenestsofotherbirds杜鹃(鸟);布谷鸟➡ see alsocloud cuckoo land
cuckooBrE/ˈkʊkuː/NAmE/ˈkʊkuː/adjective[not before noun](old-fashioned, informal) crazy疯狂;狂热