镀金dù∥jīn 1.在器物的表面上镀上一薄层金子。{gold-plating; gilding} 2.讥讽人到某种环境去深造或锻炼,只是为了取得虚名{(ironical) become gilded (said of sb. attending school or studying abroad with the express purpose of raising his reputation)}: 出国留学不是为了～。{Studying abroad is not merely to gain a gilded reputation.}