释义
n.
a medium-sized long-tailed bird, typically with a grey or brown back and barred or pale underparts. Many cuckoos lay their eggs in the nests of small songbirds.
杜鹃，布谷鸟。
〈非正式〉 疯子。
adj.
〈非正式〉发疯的，精神错乱的；疯狂的，丧失理智的
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people think you're cuckoo .人们以为你疯了。
短语
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cuckoo in the nest an unwelcome intruder in a place or situation 不速之客，闯入者
词源
"Middle English： from Old French
