might talk too much. And they might act and speak without thinking about the results of their behavior.

VOA: special.2009.09.29

Sometimes you can design drugs that act like a natural ligand without being the natural ligand.

有时你能设计具有天然配体功能的药物,但它不一定和天然配体相同

耶鲁公开课 - 生物医学工程探索课程节选

Why does an act of consent make such a moral difference, that an act that would be wrong taking a life without consent, is morally permissible with consent?

为什么征得了同意，就能在道德上如此不同呢，没有征得同意就杀人，在道德上是不允许的，征得同意就是允许的吗？

耶鲁公开课 - 公正课程节选

In this way, the case could be settled without deciding on the power of Congress to act on slavery in the territories.

VOA: special.2009.05.14

President McKinley, without waiting for the Senate to act, ordered the American military government in Manila to extend its control throughout the Philippines.

VOA: special.2010.07.22

Since I have not been informed that South Carolina declared war on the United States, I can only believe that this hostile act was done without your knowledge or permission.

VOA: special.2009.07.23

"It was a complete balancing act," "Sometimes I had to prioritize family over schoolwork without falling behind, but I somehow did it,"

VOA: standard.2009.12.04

Analysts say it was an example of Mr.Saakashvili's erratic tendency to act quickly, without considering the consequences.

VOA: standard.2009.09.01