他同意付給這臺計算機的要價。 demand sth for sth/v-ing
The teacher demanded an explanation for his absence from class.

老師要他對缺課作出解釋。

這位上尉要求士兵服從他的指揮。
We demand an explanation from him.

我們要他作出解釋。
She demanded an apology from the boy.

她要求那個男孩道歉。
I'll demand reparation from the company.

我將要求公司給予賠償。

他要求買方付款。
Have you any idea what the task will demand of you?

你知不知道這項工作對你有什么要求?
Is it wrong for the police to demand the help of the public in fighting violent crime?

警方在和暴力犯罪斗爭中要求公眾協助,難道不對嗎?
I demanded an answer of him.

我要求他答復。
Science demands of men effort and complete devotion.

要掌握科學必須努力并對其高度熱愛。
A war would demand of us enormous sacrifices of life and property.

戰爭要求我們作出生命和財產的巨大犧牲。
The increased population is demanding too much of electricity supply.

人口增長后對電力的需求量太大了。
Hard work will be demanded of students in this course.

這門課要求學生們勤奮學習。
All this was demanded of me.

所有這一切都要求我來干。
Everything that has been taught will be demanded of the students at the examination.

凡是教過的東西,考試時都要求學生能答出來。 demand of sb/sth to-v
We demand of him to reply at once.

我們要他馬上答復。
He demanded of us to take action at once.

他要我們馬上采取行動。
The teacher demands of his students to finish their homework well.

老師要求學生很好地完成家庭作業。
She demands of her husband to help with the housework.

她要求她丈夫幫助干家務活。