我经常观察离得最近的那家人的生活。

I frequently watch the doings of the family nearest me.

youdao

他经常观察鸟类的行为。

He often observes the behavior of birds.

youdao

警告：在使用这种功能时要经常观察锅炉压力表。

Caution: Always observe the Boiler Pressure Gauge when using this feature.

youdao

And Jenner made the observation that others had made, that people that were around cows a lot tended not to get smallpox.

詹纳观察到的现象别人也曾观察到,就是经常接触奶牛的人不容易患天花

耶鲁公开课 - 生物医学工程探索课程节选