lunatic
noun
ˈluːnətɪk
noun
1
someone
who
behaves
in
a
crazy
or
very
stupid
way
–
often
used
humorously
疯狂的人; 愚笨的人〔常为幽默用法〕
This
hotel
is
run
by
a
lunatic!
经营这家酒店的人真是个疯子！
2
a
very
offensive
word
for
someone
who
is
mentally
ill
[过时] 精神错乱的人，疯子〔非常冒犯的用语〕
old-fashioned
a
dangerous
lunatic
危险的精神病人
3
the lunatic fringe
the
small
group
of
people
in
a
political
group
or
organization
who
have
the
most
extreme
opinions
or
ideas
[英] 〔政治团体或组织中的〕极端分子
BrE
lunatic
behaviour
疯狂的行为