Senators can threaten a bill with unlimited debate unless sixty senators vote to prevent it.

VOA: special.2010.01.23

So not only is there evolutionary pressure for me to lie to you, for me to persuade you for instance, that if we're going to have a conflict- if you are threatening me " "Don't threaten me, I am not the sort of man you could screw around with" But there's evolutionary pressure for you to look and say, "No. You are the sort of man you could screw around with.

因此，不仅存在着要求我对你说谎,的进化压力，比如，如果我们之间存有冲突-,当你威胁我时,我会说“别吓唬我，我可不是吃素“,而且还存在着要求你辨别谎言的进化压力,你会说，“不，你肯定不行。

耶鲁公开课 - 心理学导论课程节选

He said the United States will "take appropriate steps to let North Korea know that it can't threaten the safety and security of other countries with impunity."

VOA: standard.2009.04.03

He is replacing it with a plan that would provide a combined land- and sea-based capability more quickly, focused on shorter range missiles Iran could use to threaten Europe, with the option of expanding later to cover longer range missiles if necessary.

VOA: standard.2009.10.23