音標發(fā)音英式音標 [ve?n]美式音標 [ve?n]英式發(fā)音 美式發(fā)音 基本解釋adj.自負的；徒勞的；無效的；虛榮的詞源解說 直接源自古法語的vain，意為沒有價值的；最初源自拉丁語的vanus，意為空著的。詞根記憶他很自負(vain)，到頭來一無所獲(gain)同根派生adj性質的同根詞vainglorious：虛榮心強的；非常自負的。adv性質的同根詞vainly：徒勞地；無益地；枉然地。n性質的同根詞vainglory：虛榮；自負。vain相關詞英漢例句用作形容詞 (adj.)用作定語: ～+ n.She is one of those vain people who never take others' advice.她屬于那種自負得從不聽別人勸告的人。用作表語: S+be+～All my efforts were vain.我的一切努力都白費了。S+be+～+ prep .-phraseHe's very vain of his abilities.他對于自己的能力很自負。It is/was+～+to- vIt is vain to resist.抵抗是沒用的。用作賓語補足語: S+V+O+～Too much praise can make a man vain.過度的贊揚會使人自負。vain更多例句詞組短語用作形容詞 (adj.)～+介詞be vain about 〔of〕 為…而自負短語vain of 自夸的Miror Vain 吉他搖滾vain n 徒勞;白費;白搭n vain 徒勞Vain taivas 夜空填滿了vain更多詞組英英字典劍橋英英字典(NOT SUCCESSFUL) unsuccessful; of no value(SELFISH) too interested in your own appearance or achievements柯林斯英英字典 A vain attempt or action is one that fails to achieve what was intended. vainly If you describe a hope that something will happen as a vain hope, you mean that there is no chance of it happening. vainly If you describe someone as vain, you are critical of their extreme pride in their own beauty, intelligence, or other good qualities. If you do something in vain, you do not succeed in achieving what you intend. If you say that something such as someone's death, suffering, or effort was in vain, you mean that it was useless because it did not achieve anything. vain劍橋字典vain柯林斯字典專業(yè)釋義醫(yī)藥科學徒勞的；虛榮的；空虛的