他的调解可能会帮上该部落的忙。His intercession could be of help to the tribe.美洲曾经是许多印第安部落的故土.America was once the home of many Indian tribes.那座有城墙的城市遭到野蛮部落的袭击.The walled city was attacked by barbarian hordes....
You have only 100 words in which to sum up his speech.你只能用100字来概括他的讲话.I can't sum up his whole philosophy in one sentence.我无法用一句话来概括他的全部人生观.Will you please sum up the main ideas of this article?请把这篇文章的大意归纳一下....