励精图治lì jīng tú zhì[usu. of a ruler or prime ministers] exert oneself to make the country pros perous
❍ 宣帝始亲万机，历（励）精为治。(班固《汉书·魏相传》) Emperor Xuandi began to attend to state affairs in person,and exerted himself to make the country prosperous. 励精图治exert oneself to make one’s country prosperous; make virorous efforts to build a strong country; strive to achieve good government |