"device by means of which a catch or spring is released and a mechanism set in action," 1650s, earlier tricker (1620s), from Dutch trekker "trigger," from trekken "to pull" (see trek). Tricker was the usual form in English until c. 1750. Trigger-happy is attested from 1942.
trigger (v.)
1930, from trigger (n.). Related: Triggered; triggering.
实用例句
1. Stress may act as a trigger for these illnesses.
压力可能会成为引发这些疾病的原因。
来自柯林斯例句
2. A man pointed a gun at them and pulled the trigger.
一名男子拿枪指着他们，接着扣动了扳机。
来自柯林斯例句
3. They were gunned down by members of the trigger-happy National Guard.
他们被那些肆意开枪的国民卫队士兵枪杀了。
来自柯林斯例句
4. Unresolved or unacknowledged fears can trigger sleepwalking.
残留在心里的或不为人知的恐惧都可能引发梦游。
来自柯林斯例句
5. A wide range of emotionally stressful events may trigger a relapse.