expectation

名词 expectation:

1. belief about (or mental picture of) the future
   同义词：outlook, prospect
2. wishing with confidence of fulfillment
   同义词：anticipation
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
   同义词：arithmetic mean, first moment, expected value

1. She ate a light lunch in expectation of a good dinner.
   她午饭吃得很少，期待晚饭时饱餐一顿。
2. He has great expectations from his uncle.
   他渴望从叔叔那继承大笔遗产。

ex.pec.ta.tion

n.（名词）

The act of expecting.
期待的行为
Eager anticipation:
热切的期望：
例句：
eyes shining with expectation.
眼中闪耀着期盼的目光

The state of being expected.
被期待的状态

Something expected:
期待之物：
例句：
a result that was beyond my wildest expectation.
出乎我预料的结果

expectations Prospects, especially of success or gain.
expectations 希望，期望：期望中的事，尤指成功或收获
Statistics
【统计学】
The expected value of a random variable.
期望值：随意可变量的期望值
The mean of a random variable.
随意可变量
See expectancy
参见 expectancy

【引伸】
ex.pecta.tional
adj.（形容词）