有人要求对福利制度进行重大改革。

There were calls for major changes to the welfare system.

《牛津词典》

她昨天反复要求对那起事件进行调查。

She repeated her call yesterday for an investigation into the incident.

《柯林斯英汉双解大词典》

州长要求对高速公路的坍塌进行调查。

The governor called for an inquiry into the motorway's collapse.

《柯林斯英汉双解大词典》

Now, we are very gentle in this course with respect to knowing integrals, but this is one you have to know.

这门课对积分,的要求并不高，但这个积分你们必须会算。

麻省理工公开课 - 热力学与动力学课程节选

We were satisfied with the dialogue that was taking place and we asked students to answer one question, and then comment on the response of another student.

我们对学生之间的谈话,很满意,他们被要求回答问题，然后对另一个同学的,回答作出评价。

麻省理工公开课 - 媒体、教育、市场课程节选

One thing I do ask you: If you are not doing it, if you don't participate, simply just keep quiet.

我对你们的一个要求是：,如果你不做，不参与的同学，请保持安静。

哈佛公开课 - 幸福课课程节选