concern vt.有关于, 关系到;使担忧, 使烦恼
1. Does this concern me? 这个与我有关系吗?
2. What is their concern? 他们担心的到底是什么呢?
relate v. 联系,(把…)联系起来,使有联系
1. To relate in detail. 详述深入到细节地叙述
2. To construct or relate a myth. 创作神话；讲述神话
have something to do with
1. Do you have something to do with this group?
你和那个集团有何关系?
2. I have something to do. 我有些要办的事.