"I firmly believe it is in Iran's interest not to develop nuclear weapons, because it would trigger a nuclear arms race in the Middle East and be profoundly destabilizing in all sorts of ways."

VOA: special.2009.05.23

The photograph is able to do that, is able to trigger these thoughts.

照片可以达到这个效果,可以引起这些回忆

耶鲁公开课 - 死亡课程节选

As people's weights get high -I'm sorry let's go back here, got a little trigger happy here -as weights go high, from left to right you see the risk of Diabetes gets really very high.

随着体重的上升,抱歉,应该回到上一张幻灯片,刚才按多了,在曲线上从左到右,随着体重的上升,患糖尿病的风险在迅速上升

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"And that short,few-hour exposure is able to trigger a heart attack where they might not have had it for days or months,or never."

VOA: standard.2010.08.04

But heavy rainfall could also trigger massive flooding, lost livestock, and displacement, bringing more misery to millions.

VOA: standard.2009.10.06

"The Sharpeville and Langa massacres were a tipping point in that they served to trigger off deep revulsion and disgust, both locally and internationally, against the apartheid government."

VOA: standard.2010.03.21

"When you have a situation like this occur, you are bound to have a situation down the line where there could be a shortage in food, which can also trigger other negative situations, such as malnutrition, for example, or insufficient food for cattle, which is also another important economic sector in West Africa,".

VOA: standard.2009.09.08