trigger
noun
verb
ˈtrɪɡə noun
1 the part of a gun that you pull with your finger to fire it 〔枪的〕扳机
pull/squeeze the trigger
He took aim and squeezed the trigger.
他瞄准目标,扣动了扳机。
2
be the trigger (point) (for sth)
to be the thing that quickly causes a serious problem 成为引发(某事)的因素
The hijacking became a trigger point for military action.
这次劫持事件成了引发军事行动的导火线。
verb
3 to make something happen very quickly, especially a series of events 引发,激发〔尤指一系列事件〕
The assassination triggered off a wave of rioting.
这次暗杀事件引发了一波骚乱。
Certain forms of mental illness can be triggered by food allergies.
某些精神疾病会因为食物过敏而被引发。
trigger a memory
His action triggered a massive response from the government.
他的行动激起了来自政府的极大反响。
4 to make something such as a bomb or electrical system start to operate 使爆炸; 启动,引发
The burglars fled after triggering the alarm .
入室窃贼触动报警器后就逃跑了。