featherbrained
(a.)愚蠢的,輕浮的
feath·er·brained, feath·er-brained a. Giddy; frivolous; lacking seriousness; given to frivolity; feather-headed. [Colloq.]
Syn: -- airheaded, dizzy, empty-headed, giddy, lightheaded, light-headed, silly.
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featherbrained
adj : lacking seriousness; given to frivolity; "a dizzy blonde";
"light-headed teenagers"; "silly giggles" [syn: airheaded,
dizzy, empty-headed, giddy, light-headed, lightheaded,
silly]