为什么ask sb.for sth.ask后面加for?

ask sb for sth用法 ask sb sth 意思? / ask sb for sth 意思? ask sb for sth 后面是双宾还是宾加宾补? ask sb for sth ask sth for sb ask sb sty 区别 ask sb sth ask sb to do sth ask sb for sth ask to do sth ask（sb）for sth ask sb about sth 这三个 ask sb for sth 的问题 英语 翻译 ask sb for sth ask sb for sth造句 2个 ask sb sth 是双宾,那到底是改成ask sth for sb 还是ask sb for sth 有什么区别 see sb doing sth和ask sb for sth ask sb about sth造句 下列几个短语的意思：ask for sth/sb ask sb for sth ……