listen for/to sth有什么区别

listen to 和 listen for 有什么区别?请举例说明, use sth to do sth和use sth for dong sth有什么区别 supply sb with sth ,supply sth to sb,supply sth for sb有什么区别~ difficult for sb to do sth 和difficult for sb doing sth 有什么区别 request for sth与ask for sth有什么区别 ask sb to do sth和ask sb for sth有什么区别? thank you for doing sth和thank you to do sth有什么区别 show sth for sb 还是show sth to sb 有什么区别? read sth for sb 和 read sth to sb有什么区别啊? buy sth to sb与 buy sth for sb有什么区别吗 buy sth for sb 与 buy sth to sb 到底有什么区别 It adj.for sb.to sth.与It's adj.for sb.to sth.有什么区别