suave: suggests a specific ability to deal with others easily and without friction: a luxury restaurant with an army of ~ waiters.


urbane: implies high cultivation and poise coming from wide social experience: the ~ host of a television series.


diplomatic: stresses an ability to deal with ticklish situations tactfully and effectively: be ~ in asking them to leave.   （ticklish: 1、棘手 2、怕痒的: he is very ~他怕痒，本例ticklish situations棘手的情况） (tactful得体圆通: 处理问题得体，考虑全面，有分寸Alex tactfully refrained from further comment亚历克斯很识趣(得体)，没有再发表什么评论)


bland: emphasizes the mildness of manner and absence of irritating qualities: a ~ manner suitable for early morning radio.


smooth: suggests often an excessive, deliberately assumed suavity: the ~ sales pitch of a car dealer.    (sales pitch推销语言his sales pitch was smooth and convincing他的推销词流畅又有说服力)


politic: implies a shrewd as well as tactful and suave handling of people and situations: an ambassador's wife must be ~ and discreet.      (shrewd精明: 聪明有判断力: a  ~ judgment of character)


suave练达圆滑: 和人相处轻松，没有摩擦，urbane温文尔雅(既礼貌又自信): 高度的修养和自信，广泛的社会经验，diplomatic: 处理棘手情况时圆滑有效，bland平淡: 温和不刺激，smooth油滑: 故意的过度的圆滑，politic精明圆滑: 精明圆滑的操纵他人或局势


记忆方法: 1) 首字母SUDBSP排序成BUS DSP公交车的售票<==圆滑练达

                2) 圆滑的意思是有技巧讲礼貌mean pleasantly tactful and well-mannered.首字母SUDBSP排序成BUS DSP公交车的售票<==圆滑练达