用ask sb. for sth.造句，并翻译句子中文意思！
ask sb. for sth = ask sb. to do sthask for 有索要,请求的意思 比如ask for a heip 就是请求帮助ask sb to do sth是让某人做某事的意思. I can't answer this question , so I plan to ask my teacher for help.(我无法回答这个问题,所以我打算向我的老师寻求帮助.)I can't answer this question , so I plan to ask my teacher to help me.(我无法回答这个问题,所以我打算让我的老师来帮助我.)
标签：ask,sb,sth
