大学英语：guesser teacher worker actor employer employee employment cooker

　　7. guesser teacher worker actor employer employee employment cooker

　　8. clue 线索，迹象

　　Have any clues been found? 是否找到了什么线索?

　　(非正式用法not have a clue ,不懂，一无所知)

　　---do you know what he''s talking about? (你知道他在说什么吗?)

　　----I don''t have a clue .( 我什么都不知道)l

　　9.Conclusion n. 结论

　　Be careful not to jump to conclusions.不要草率的下结论。

　　In conclusion, I''d like to say how much I''ve enjoyed staying here.最后，我想说的是，我在这儿过的多么愉快。

　　10.On Purpose 故意的

　　purposefully

　　11.outline 轮廓，概要，大纲

　　an outline of history 历史大纲

　　v. 划出…轮廓， 提出…纲要， 略述

　　The director outlined his plans for the company''s future. 经理概述了公司未来的计划。