"观于"在英语中可以翻译为"regarding" 或"with regard to"。这个词语通常用来表示对于某事的观察或者考虑。例如:1. We should view this problem with a critical eye. (我们应该以批判性的眼光看待这个问题。)2. When it comes to improving productivity, there are several strategies we can consider. (在提高生产力方面,我们有几种策略可以考虑。)3. Regarding the project's timeline, we might need to reassess some of our goals. (关于项目的时间表,我们可能需要重新评估一些目标。)请根据具体语境选择最合适的翻译。