基本解释adj.愚昧的；发呆的；愚笨的同根派生 英汉例句用作形容词 (adj.)He seems take pride to make such fatuous remarks.他好像对自己愚蠢的讲话还洋洋自得。Television commercials seem more smug and fatuous than ever.电视的广告似乎比以前更沾沾自喜和愚蠢。