insistent
adjective uk/ɪnˈsɪs.tənt/ us/ɪnˈsɪs.tənt/
坚持的；坚决要求的
firmly saying that something must be true or done
insistent demands/appeals/signals 一再的要求／一再的呼吁／持续的信号
The teacher is insistent that the school is not to blame for the situation. 这位老师坚持说学校不应对这种情况承担责任。