expectation 指期待某事发生或假设某事能发生，多含揣想的意味。
hope 通常指建立在愿望基础上的期待。这种期待有可能发生或实现，但也可能相反。
outlook 多指根据征兆或分析对要发生的事情的愿望或预料。
prospect 与outlook的含义相近，但侧重对成功、利润和舒适生活等方面的期待。
参考例句
1. Problems still exist. I have no expectation. 问题依然存在，我没有指望。
2. She have high expectation of what university have to offer. 她对大学所能给她提供的一切期望很高。
3. Benedict says Americans have always been a people of hope and told the faithful their ancestors came to this country with the expectation of finding new freedom and opportunity. 教皇说，美国人民一直是个充满希望的民族。他对在场的信徒说，他们的祖先带着发现新自由和新机会的期待来到美国。
英英解释
n.
1. belief about (or mental picture of) the future
2. wishing with confidence of fulfillment
3. the feeling that something is about to happen
4. the sum of the values of a random variable divided by the number of values
