trigger

柯林斯词典

1. N-COUNT The trigger of a gun is a small lever which you pull to fire it. 扳机
A man pointed a gun at them and pulled the trigger. 一个男人用枪指着他们，扣动了扳机。
2. N-COUNT The trigger of a bomb is the device which causes it to explode. (炸弹的) 引爆装置
...trigger devices for nuclear weapons. …核武器的引爆装置。
3. V-T To trigger a bomb or system means to cause it to work. 引爆; 触发
The thieves must have deliberately triggered the alarm and hidden inside the house. 那些小偷一定是故意触发了报警器，然后藏在屋子里。
4. V-T If something triggers an event or situation, it causes it to begin to happen or exist. 引起
...the incident which triggered the outbreak of the First World War. …引起第一次世界大战爆发的事件。
5. PHRASAL VERB Trigger off means the same as . 引起
It is still not clear what events triggered off the demonstrations. 还不清楚是什么事件引发了示威。
6. N-COUNT If something acts as a trigger for another thing such as an illness, event, or situation, the first thing causes the second thing to begin to happen or exist. 引发…的原因
Stress may act as a trigger for these illnesses. 压力也许是引发这些疾病的一个原因。