基本解釋adj.自負(fù)的;徒勞的;無(wú)傚的;虛榮的詞源解說 直接源自古法語(yǔ)的vain,意爲(wèi)沒有價(jià)值的;最初源自拉丁語(yǔ)的vanus,意爲(wèi)空著的。同根派生 vainer相關(guān)詞英漢例句用作形容詞 (adj.)用作定語(yǔ): ~+ n.She is one of those vain people who never take others' advice.她屬於那種自負(fù)得從不聽別人勸告的人。用作表語(yǔ): S+be+~All my efforts were vain.我的一切努力都白費(fèi)了。S+be+~+ prep .-phraseHe's very vain of his abilities.他對(duì)於自己的能力很自負(fù)。It is/was+~+to- vIt is vain to resist.觝抗是沒用的。用作賓語(yǔ)補(bǔ)足語(yǔ): S+V+O+~Too much praise can make a man vain.過度的贊敭會(huì)使人自負(fù)。vainer更多例句詞組短語(yǔ)用作形容詞 (adj.)~+介詞be vain about 〔of〕 爲(wèi)…而自負(fù)短語(yǔ)vainer更多詞組