求翻译：在大学四年我掌握了力所能及的一些法律知识，能解答普遍的法律问题。其次在大学期间担任过学生干部，组织开展了不少活动，能够团结同学，积极参加各类活动是什么意思？

In College for four years I have tried its best to some legal knowledge can answer general legal questions. Followed during the College served as the student leaders, organized a number of activities, can unite the students actively participate in various activities