usher n.引座员；招待员；门房；助理教员 An usher is a person who shows people where to sit, for example at a wedding or at a concert. v.引领，招待；做招待员；宣告 If you usher someone somewhere, you show them where they should go, often by going with them. 而guide vt.引路；指导；操纵；影响 If you guide someone around a city, museum, or building, you show it to them and explain points of interest. n.指导者；向导；导游；有指导意义的事物 A guide is someone who shows people the way to a place in a difficult or dangerous region. 注意看英文解释，是柯林斯高阶英汉词典的解释。