第三人称单数： frightens
过去式： frightened
过去分词： frightened
现在分词： frightening

These two principles-don 't let robots hurt or frighten people-are relatively simple .

这两条原则不要让机器人伤害或者恐吓人类则相对来说比较简单。

They were nudging investors , not trying to frighten them into reversing the recent currency declines .

它们是在婉劝投资者，而不是试图恐吓他们，以逆转最近的汇率下跌走势。

Pros : most politicians try to ingratiate themselves with voters , but a radically different technique is to frighten them .

好处：大部分的政治家总是试图通过迎合选民来获得选举，其实还有一个完全相反的有效手段恐吓。

Their general approach is to exaggerate the uncertainties of climate science and to leave the impression that climate scientists are engaged in some kind of conspiracy to frighten the public .

他们的做法通常是夸大气候科学的不确定性，给人造成一种印象：气候科学家从事着某种恐吓公众的阴谋活动。

Perhaps the north is simply attempting to frighten the west .

或许，朝鲜只是企图吓唬一下那些西方国家。