expectation

听听怎么读

英 [ˌekspekˈteɪʃn]

美 [ˌɛkspɛkˈteʃən]

是什么意思

期待；预期；前程；[数]期望值

变形

复数：expectations

双语释义

n.(名词)

[U]预料; 期望 firm belief that sth will happen; hope of gaining sth
[P]有信心的指望 confident feelings

英英释义

expectation[ ,ekspek'teiʃən ]

n.
- belief about (or mental picture of) the future
  同义词：outlookprospect
- wishing with confidence of fulfillment
  同义词：anticipation
- the feeling that something is about to happen
- the sum of the values of a random variable divided by the number of values
  同义词：arithmetic meanfirst momentexpected value

学习怎么用

词汇搭配

用作名词 (n.)

动词+～

answer the expectations of不辜负…的期望
cherish〔have, hold〕 an expectation抱有希望
defeat an expectation使失望
fulfil〔realize〕 expectation实现希望
invite expectation引起希望
meet one's expectation符合…的希望

形容词+～

common〔general〕 expectation一般预计,普遍预料
patient expectation耐心的期待

介词+～

according to expectation根据预料
against expectations事与愿违
beyond all〔contrary〕 to expectations完全出乎意料
money in expectation指望得到的钱
a man of expectations具有远大前程的人
fall short of sb's expectation辜负某人的期望

～+介词

expectation of …的期望,对…的期望
expectation of life预期寿命

词组短语

in expectation期望着；意料之中

expectation value期待值

expectation of life 平均寿命；预期寿命（等于life expectancy）

mathematical expectation数学的期望值

live up to expectations按照期望做到，不负众望

rational expectation理性预期；合理预期

beyond expectation出乎意料

expectation effect期望效应

have expectations of(对…)抱有期望

更多收起词组短语

同近义词辨析

outlook, expectation, prospect, hope

这组词都有“期望，指望”的意思，其区别是：

outlook多指根据征兆或分析对要发生的事情的愿望或预料。

expectation指期待某事发生或假设某事能发生，多含揣想的意味。

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。

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。

双语例句

用作名词(n.)

It is really out of my expectation.
这真是出乎我的意料。
There's no expectation of snow tonight.
今晚预料无雪.
His parents have great expectations for his future.
他父母对他的前途深寄厚望。
She had high expectations of what university had to offer.
她对大学所能给她提供的一切期望很高.

权威例句

Fitting a mixture model by expectation maximization to discover motifs in biopolymers.
Understanding Information Continuance: An Expectation-Confirmation Model
Understanding Information Systems Continuance: An Expectation-Confirmation Model
Understanding information systems continuance: an expectation-confirmation model
Blobworld: Image Segmentation Using Expectation-Maximization and Its Application to Image Querying
Fitting a mixture model by expectation maximization to discover motifs in biopolymers: Menlo Park, California.
Segmentation of brain MR images through a hidden Markov random field model and the expectation-maximization algorithm.
Accuracy of Haplotype Frequency Estimation for Biallelic Loci, via the Expectation-Maximization Algorithm for Unphased Diploid Genot...
Bailey, T.L. & Elkan, C. Fitting a mixture model by expectation maximization to discover motifs in biopolymers. Proc. Int. Conf. Int...
Bailey, T.L. & Elkan, C. Fitting a mixture model by expectation maximization to discover motifs in biopolymers. Proc. Int. Conf. Int...

同义词

prospects prospective prospection prospect prolepsis prevenience

同根词

expectantly expectant expectancy expectable expect

e开头的单词