The news media and self-appointed ethics "watchdog" groups observe how lobbying is carried out.

VOA: special.2010.09.27

And that's somewhat inconvenient because we're working with wave functions, but it's a reality that comes out of quantum mechanics often, which is that we're describing a world that is so much different from the world that we observe on a day-to-day basis, that we're not always going to be able to make those one-to-one analogies.

这对于研究氢原子，很不方便,但这就是事实,而且在量子力学中经常会出现这种事实,那就是我们要描述的世界，和我们日常所看到的世界,之间的差别是如此之大,以至于我们不能，做出一一对应的类比,但幸运的是我们不用管。

麻省理工公开课 - 化学原理课程节选

Observe how healthily -- how calmly I can tell you the whole story.

VOA: special.2009.05.16

After all,they observe the skies with huge ground-based and costly space telescopes.

VOA: special.2009.08.25

Congresswoman Lee says the lawmakers did not go to Cuba to negotiate with the rulers of the communist-run government, but observe what is taking place, talk with people and offer recommendations to the Obama Administration.

VOA: standard.2009.04.07

As Somalis prepare to observe the start of the Muslim holy month of Ramadan, al-Shabab and Hisbul Islam rebels appeared to have made good on their vow to mark the start of Ramadan with intensified attacks against the government and the African Union mission in Mogadishu known as AMISOM.

VOA: standard.2009.08.21