turn to sb.for sth.

turn to sb.for sth. sth to sb 还是 sth for sb turn to sb for help supply sth (to/for) sb? get sth for sb还是to sb? express sth for sb 还是to sb 是make sth to sb还是make sth for sb? 是send sth to sb 还是send sth for sb buy sth for sb 还是 buy sth to sb bring sth to sb还是bring sth for sb 请问：bring sth.to sb.还是bring sth.for sb. get sth to sb get sth for sb区别 by sth.to sb.还是by sth.for sb. 是leave sth.to sb.还是leave sth.for sb. 是feed sth to sb还是feed sth for sb? 是sing sth.to sb.还是sing sth.for sb. donate sth for sb还是donate sth to sb provide sth for sb 还是 provide sth to sb ?