重點講解：
1. look down on/upon
俯視；蔑視；輕視；小看
eg. I wasn't successful, so they looked down on me.
我一無所成，所以他們瞧不起我。
eg. Some visitors go inside the statue and climb as high as the crown to look down on the harbor.
有些游客來到雕像內部,并爬到雕像冠頂俯瞰海港。
eg. They shared all that they had, they did not look down upon anyone.
他們分享著自己擁有的一切，他們從不看低任何人。
2. watch over
照看；照料
eg. The guards were originally hired to watch over the houses as they were being built.
最初雇門衛是為了看護正在修建的房子。
eg. She stayed up to watch over her sick child.
她整夜未眠照看她生病的孩子。
3. hunger for
渴望；渴求
eg. But Jules was not eager for classroom learning, he hungered for adventure.
但朱爾斯對坐在課堂里學習并不熱心，他渴望冒險。
eg. The student has a hunger for learning.
這個學生有強烈的求知欲。
hunger作為名詞時，可用have a hunger for來表達相同的意思；
eg. Geffen has a hunger for success that seems bottomless.
格芬的成功欲望似乎永無止境。

背景資料：
本篇演講是2008年8月25日米歇爾·奧巴馬在民主黨全國代表大會（DNC）上的主題發言。演講從自己的身世、背景，講到和奧巴馬的共通的價值觀，再談到兩人為社區共同奮斗的歷史，談到了美國夢，然后又談到奧巴馬的競選承諾，最后又回到對家庭對未來的美好憧憬。米歇爾出色的表現為奧巴馬成功競選美國總統增色不少，功不可沒。