n. 1.期待，期望；所希望的东西。 2.〔pl.〕 前程，(发迹，继承遗产的)希望。 3.估计。 4.期待疗法。 5.【数学】期望值。 短语和例子 against [contrary to] expectation出乎预料。 answer [meet] sb.'s expectation (＝come up to sb.'s expectation ) 不负所望。 beyond expectation 料想不到地。 expectation of life 平均寿命 (＝life expectancy)。 fall short of [do not come up to] sb.'s expectation 辜负期望；使人失望。 have [entertain, cherish] great expectations 抱有极大的希望。 in expectation指望中的。 in expectation of 预料着，指望着。 a man of (great) expectations 有承受巨大遗产或取得高位希望的人。
belief about (or mental picture of) the future 同义词：outlook, prospect,
the sum of the values of a random variable divided by the number of values 同义词：arithmetic mean, first moment, expected value,
the feeling that something is about to happen
anticipating with confidence of fulfillment 同义词：anticipation,
例句与用法
1.
It was a hope rather than an expectation . 此仅为希望多于预期而已。
2.
The holiday was beyond all expectations . 假日过得比预期的好得多。
3.
The result ran counter to our expectation . 结果与我们的期望相反。
4.
We are not to think of their expectations . 我们不必去考虑她们的愿望。
5.
There is a reasonable expectation of success . 成功有一定的希望。
6.
Three factors falsified his expectations . 有三个因素使他的希望落了空。
7.
We succeeded well beyond our expectations . 我们如此成功，真是大出所料。
8.
The film did not come up to my expectations . 这部电影没有达到我的期望。
9.
He did not answer the expectations of his friends . 他辜负了朋友们的期望。
10.
The results were contrary to expectation . 结果与预期的相反。
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