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
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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
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the trigger for the strike was the closure of a mine. 罢工是由关闭矿区引发的。
cause (an event or situation) to happen or exist
引发,引起,促使
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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)。
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quick on the trigger quick to respond 行动迅速的,反应快的
"early 17th cent.: from dialect