It is like waiting at a bus stop for your bus to come along. Many cars and trucks pass by, they are noticed but not acted upon.

这有点像在公交车站等你要乘坐的那路车，这期间很多车辆会从面前经过，它们会被你感知到而你却不会有任何行动。

youdao

There were times when my organization system went to pieces, when my email inbox had 10 messages sitting there, not acted upon.

很多时候我的身体接近崩溃，那个时候，我的收件箱里有10条信息，都未曾动过。

youdao

We also want to know whether or not the task has been acted upon and if so, the results of that action.

我们还需要知道是否对该任务采取措施，如果采取了操作，那么操作的结果是什么。

youdao

"When our government has information on a known extremist and that information is not shared and acted upon as it should have been and this extremist boards a plane with dangerous explosives that could cost nearly 300 lives, a systemic failure has occurred.

VOA: standard.2009.12.29

That's another way of saying maintaining velocity if it's not acted upon by a force.

这就是不受外力作用时,速度保持不变的另一种说法

耶鲁公开课 - 基础物理课程节选

What makes the law surprising is that if I only gave you half the law, namely every body will remain at rest if it's not acted upon by a force, you will say, "That's fine. I accept that, because here's something, you leave it there, it doesn't move.

这条定律妙就妙在,如果只看定律的前半段,即,如果物体不受外力作用,将保持静止状态,你肯定会觉得,"这没什么,我能理解,因为你把一个物体放在那里,自己肯定不会动

耶鲁公开课 - 基础物理课程节选

The examination board was severely criticised in the report - that such concerns were not acted upon.

BBC: NEWS | UK | Wales | Pupil sex abuse report studied

"As a result, notifications of changes to circumstances of students, details of students failing to enrol or attend classes, or curtailment of sponsorship were not being acted upon, " he said.

BBC: Student visas: UKBA 'failed to check' tip-offs

Bold security reforms decreed by President Hadi would diminish their power, but these have not yet been acted upon.

BBC: Yemen: A rare 'success' 'at risk