trigger
trigger
noun
[withobj.]
quick on the trigger
triggered
adjective
语源
noun
- a small device that releases a spring or catch and so sets off a mechanism, especially in order to fire a gun
（枪械等的）扳机；启动装置
he pulled the trigger of the shotgun.
他扣动了猎枪的扳机。
■an event or thing that causes something to happen
引起反应的事（或物）；触发因素
the trigger for the strike was the closure of a mine.
罢工是由关闭矿区引发的。
[withobj.]
- (常作be triggered)cause (an event or situation) to happen or exist
引发，引起，导致
an allergy can be triggered by stress or overwork.
紧张或工作过度可能引发过敏症。
■cause (a device) to function
开动（装置）
quick on the trigger
- quick to respond
行动迅速的，反应快的
triggered
adjective
语源
- early 17th cent.: from dialect tricker, from Dutch trekker, from trekken 'to pull'
考试词汇表
