mindmap root((执意)) inflexible implies rigid adherence or even slavish conformity to established principle: ~ in her demands. inexorable implies relentlessness of purpose or ruthlessness or finality or, especially when applied to things, inevitableness: the ~ path of progress. obdurate stresses hardness of heart and insensitivity to appeals for mercy or the influence of divine grace: an ~ governor who refused to grant clemency. adamant suggests extraordinary strength of will and suggests utter immovability in the face of all temptation or entreaty: was ~ that the project be completed on time. （entreat请求to ask or request urgently，一般指请求别人改变主意，如entreated him to change his mind请求他改变主意）