expectation什么时候用复数什么时候用单数?请尽量详细.
1个回答

expectation

n.

(1) 期待,预期

(2) 期望,指望

(3) 希望,前景,前程

(4) [常用复]期望的事物

(5) 【数】期望(值)

一般来说,表示预料、希望、期望值用单数形式,表示希望/期望(的事物)用复数形式.

习惯用语

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according to expectation

如所预料

against expectation

出乎预料

beyond (one's) expectation

出乎意料(之外),较预期的更大[好]

contrary to (one's) expectation

与所预料的相反

fall short of sb.'s expectations

辜负某人的期望

not come up to sb.'s expectations

辜负某人的期望

have expectations

(1)

(与of 连用)对...抱有希望

(2)

(与from 连用)有继承遗产的希望

in expectation of

期望[待]

live up to sb.'s expectations

不辜负某人的期望

live up to meet sb.'s expectations

不辜负某人的期望

live up to answer sb.'s expectations

不辜负某人的期望

come up to sb.'s expectations

不辜负某人的期望

come up to meet sb.'s expectations

不辜负某人的期望

come up to answer sb.'s expectations

不辜负某人的期望

特殊用法

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conditional mathematical expectation

条件数学期望

consumer buying expectations

消费者希望的购买额

endurance expectation

估计使用期限

iterated fission expectation

迭代裂变预期值

mathematical expectation

数学的期望值

price expectation

价格预测,预期价格

expectation for demand changes

对需求变动的预期

expectation of investment decisions

对投资决策的预期

expectation of life

(平均)预期寿命

expectation of life at birth

希望寿命