imbecile
/ˈɪmbəsi:l; ?@ -sl; `ɪmbəsl/ n
(a) (esp adult) person with abnormally low intelligence （尤指成年人）低能者, 弱智者.
(b) (infml 口) stupid or silly person; fool 蠢人; 傻瓜. imbecile, imbecilic, adjs [usu attrib 通常作定语]
stupid; foolish 愚蠢的; 傻的
an imbecile remark 愚蠢的言语
imbecile behaviour 愚笨的举止.