spare sb./sth.for sb./sth.

spare sb./sth.for sb./sth. offerde sb sth for sth? buy sth for sb等于()()sth sb sth to sb 还是 sth for sb sth to sb 和sth for sb by sth for sb be sth for sb ~sb for sth praise sb for sth buy sth.for sb. have sth for sb call sb for sth