引发，触发：引起某种反应或事件的开始或发生。
... trigger digit 扣扳机的手指 trigger off 激起 trigger 引发 ...
... trigger demands引起要求 trigger off引起; 激发,触发 trigger for为…引发 ...
... trigger capacitor 触发电容器 trigger off 使激发；触发 trim 1、发动机调节2、（活动翼面）配平3、修饰4、（电）徽调5、装饰条 ...
... trigger demands引起要求 trigger off引起; 激发,触发 trigger for为…引发 ...
引起；激起
attract / produce / operate / induce / bring about
Nuts can trigger off a violent allergic reaction.
坚果可以引起严重的过敏反应。
Sometimes even a light touch on the face is enough to trigger off this pain.
有时甚至在脸上轻摸一下也足以引发这种痛苦。
Wire the thermometers up to trigger off an alarm bell if the temperature drops.
把温度计的电线连接上，当温度下降时，就会触发警报。
"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
He believes that joblessness for men and post-marriage problems for women trigger off a lot of these suicides.
How else did news channels begin predicting that an MP at the debate - ahead of the still-born vote - would actually trigger off chaos at least an hour before he actually did so?
On January 1, 2013, the Bush tax cuts expire and the spending trigger goes off.