求翻译啊，老师，毕业论文摘要，很急，麻烦您了

刘姥姥是大观园外的小人物，但在《红楼梦》中却有着重要的地位和意义。她在小说中起到穿针引线的结构作用，使《红楼梦》这张人物和生活之网理得清楚、扎得结实。刘姥姥对贾府主子们的性格特征和精神世界起到了衬托作用，使他们的形象变得丰满。刘姥姥三进三出荣国府，旁观了贾府的兴、衰、欢、悲，对小说的主旨表达有着重要的意义。正确把握刘姥姥形象的结构作用和主旨意义，才能深入理解《红楼梦》的深刻意蕴。
Old Mrs Liu was a small character outside of the "Grand Look Gardens", yet with an important status and meaning. Her role as a a go-between has the structural effects on the book, which helped making the complexicity of the characters of the novel and their ways of everyday life more clear and set a firm foundation. Old Mrs Liu served well as a foil to the masters of Jia household's characteristics of their personalities and their spiritual world, enriching her image. She went in and came out of Rong Guo's Resident three times and eye witnessed the rise and fall, happiness and sadness of the Jia household and has an important significance of the novel's expression of the subject. Only if you could correctly grasp the image of Old Mrs Liu's effects on the structue of the novel and it's purpose significance can you gain the in-depth understanding of the "A Dream of the Red Mansions" and its profound meaning.

关键词：《红楼梦》A Dream of the Red Mansions；刘姥姥 Old Mrs Liu；结构 structure；主旨意义 purpose significance

谢谢你的求助，希望我的翻译能令你满意。
因为你重复了这道题，所以我在两处都给了你答案，若满意采纳，请一起采纳另外一道题，十分感谢你。