n.杜鹃；杜鹃的叫声

v.像杜鹃一样咕咕叫

adj.愚蠢的；疯狂的

The cuckoo is the herald of the spring. 杜鹃报春。

The cuckoo lays its eggs in other birds' nests. 杜鹃在别的鸟巢中产卵。

Germany is famous for its cuckoo clocks. 德国以它的咕咕钟著名。

Hey! Don't be calling me cuckoo in the head! 嘿!不要说我不正常!

He has gone absolutely cuckoo . 他简直疯了。