觸發器的英文是trigger。
trigger的復數形式是triggers，第三人稱單數形式是triggers，過去式形式是triggered，過去分詞形式是triggered，現在分詞形式是triggering。相關短語有trigger gate觸發門，trigger gear扳放機構，trigger item觸發項。可造句子如下：
1、Stress may act as a trigger for these illnesses.
壓力可能會成為引發這些疾病的原因。
2、A man pointed a gun at them and pulled the trigger.
壹名男子拿槍指著他們，接著扣動了扳機。
3、They were gunned down by members of the trigger-happy National Guard.
他們被那些肆意開槍的國民衛隊士兵槍殺了。
4、Unresolved or unacknowledged fears can trigger sleepwalking.
殘留在心裏的或不為人知的恐懼都可能引發夢遊。