cuckoo
noun
adj
ˈkʊkuː
noun
1
a
grey
European
bird
that
puts
its
eggs
in
other
birds’
NESTS
and
that
makes
a
sound
that
sounds
like
its
name
杜鹃，布谷鸟
adj
2
crazy
or
silly
[非正式] 疯疯癫癫的; 傻的:！
You’re
completely
cuckoo!
你真是个傻子