The medicine did not achieve the desired effect.

这种药未达到预期效果。

You may find that just threatening this course of action will produce the desired effect.

你会发现仅仅是威胁要采取这个行动就能产生想要的效果。

The desired effect is to place bookmarks on a map of Manhattan, one bookmark per property with apartment listings.

理想的效果是在曼哈顿的地图上放置书签，公寓列表的每处房产对应一个书签。

All of this had the desired effect.

所以这些措施有了想要的效果。

Did the policy have the desired effect?

这项政策取得预期效果了吗？