求翻译：13岁上于银川六中，但却在此时贪玩异常，成绩一落千丈，直至初三之时才发现学习的紧迫，中考的到来。开始从头苦学，终在多方努力下勉强考入高中，在初中三年广结好友，共9人，联系直至成年。是什么意思？

13-year-old on Sixth in Yinchuan, but at this fun abnormal scores plummeted, only to find up to three days of learning of the urgency of the test to come. Start from scratch, hard study, and finally admitted to the various efforts barely high school friend in junior high school for three years and f