He hunted vainly through his pockets for a piece of paper.他翻遍口袋想找一张纸，结果没找到。The criminals vainly sought concealment from the searchlight.罪犯们徒劳地躲闪着探照灯光。He shouted after them, vainly trying to attract their attention.他在他们的后...
She perfects herself in French.她精通法语。Chapter three strengthens creditor interest protection and perfects corporation liquidation legislation.第三章加强债权人利益保护,完善公司清算立法.Undoubtedly it advances and perfects the traditional appr...