Welcome to the Voice of America's “News Words”.
欢迎收听美国之音“新闻词汇”。
Does this word mean something good has happened? Unleashed.
这个单词的意思是有好事发生了吗？发动。
The President is sending Secretary of State John Kerry to the Middle East to help build a coalition to defeat the militants, who have unleashed a wave of violence that has included attacks on Iraq's Christians and other minority communities, and recently, the videotaped killing of American journalist James Foley.
总统要把国务卿约翰·克里派去中东地区建立一个打击激进分子的联盟，这些激进分子发动了一系列的暴力活动，袭击伊拉克的基督教徒以及其他少数居民，并且录制了杀害美国记者詹姆斯·弗利的视频。
Unleashed means to let something very powerful happen quickly.
“发动”意为使威力很大的事情迅速发生。
It is like taking a leash off a dog and letting it attack someone.
这就像解开狗的皮带让它去咬人一样。
In our story, the militants unleashed, or set off, a wave of violence.
在上述故事中，激进分子发动，或者引发了一系列的暴力活动。

Usually, unleashed does not mean something good.
通常情况下，发动并不意味着好事发生。
So, the next time you hear the word, unleashed, you will know what this News Word means!
那么，下次你听到单词，“发动”，你就知道这个新闻词汇的意思了！