交锋: to cross swords, to have a confrontation (with sb)...
同类: similar, same type, alike...
交界: common boundary, common border...
医生: doctor...
交际: communication, social intercourse...
过来: to come over, to manage, to handle, to be able to take care of...
议题: topic of discussion, topic, subject, issue (under discussion)...
北边: north, north side, northern part, to the north of...
