Lesson 57 Can I help you,madam?【New words and expressions】(8) madam n. (对妇女的尊称)太太; 夫人maam n. 夫人, 太太, 女士, 小姐 = madamjeans n. 牛仔裤trousers n.裤子, 长裤 pants n.裤子, 短裤hesitate v. 犹豫, 迟疑hesitation n. 犹豫, 踌躇hesitate to do sth. 犹豫做make up ones mind 下决心做without hesitation 毫不犹豫 serve v. 接待(顾客) vt.&vi. 帮佣,当仆人,给干活serve sb. 为某人而服务 Mary served (in) the family as a cook for more than ten years.vt.&vi. 服务;服役;供职She served the firm as a secr