有关: have sth. to do with; have a bearing on; relate to; concern; be in [with] relation to; involve; have relations with; in the way of; in [with] regard to; be connected with; in connection wi
关于: about; on; with regard to; concerning; in regard to [of]; with respect to; as respects; as regards; in this regard; in one's regard; as concerns ...; as to; relate to ...; in relation to;
相对: 1.(面对面) opposite; face to face 短语和例子相对而坐 sit opposite [facing] each other; sit face to face2.(非绝对的) relative 短语和例子相对真理 relative truth3.(比较的) relatively; comparatively 短语和例子相对地说 comparative