商业电话服务不起作用了。

The commercial telephone service was no longer operative.

《柯林斯英汉双解大词典》

当局相信那些安全措施已经在起作用了。

The authorities believe those security measures are already paying off.

《柯林斯英汉双解大词典》

这药显然起作用了。

The medicine has clearly done its stuff.

《牛津词典》

And in his role here as a mute, as an infant, Christ is serving, I think, an important function for Milton.

作为一个哑巴，一个婴儿，基督对，弥尔顿起了很重要的作用。

耶鲁公开课 - 弥尔顿课程节选

When we looked at the random walk series I think the representativeness heuristic played a role in there as well.

当我们观察随机漫步序列时,我认为代表性原则偏误,也起了一定作用

耶鲁公开课 - 金融市场课程节选

He had a role in pushing Yeats in the direction in which he went.

他在叶芝创作方向上改变,起了一定作用。

耶鲁公开课 - 现代诗歌课程节选