If you exhort someone to do something, you try hard to persuade or encourage them to do it.
例句
Kennedy exhorted his listeners to turn away from violence...肯尼迪勸誡聽眾遠(yuǎn)離暴力。He exhorted his companions, 'Try to accomplish your aim with diligence'.他勸誡同伴說：“要通過勤奮努力實現(xiàn)自己的目標(biāo)。”