a shrewd or unscrupulous person who knows how to circumvent difficulties
同义词：hustler, wheeler dealer, operator
wheeler-dealer详细解释
wheel.er-deal.er n.Informal （名词）【非正式用语】 One who advances one`s own interests by canny, aggressive, or unscrupulous behavior.为所欲为者：通过狡诈、攻击性或肆无怠殚的行为获取利益的人
