The teacher urged him to study assiduously.
老师勉励他刻苦学习。
urge sb to do sth: 勉励(极力主张)某人去做某事 例:The teacher urged him to learn modestly from others. 老师勉励他虚心向别人学习。She urges me to take steps in the matter.她催我处理此事。He urged the necessity for immediate action.他极力主张马上采取必要的行动。