Some sentence examples which use the word 'trigger'
Keep your finger on the trigger.
His joining in the office was the trigger that brought profits to the company.
And imitative sounds to represent the cat's mew, the click of a trigger, the clap or thud of a blow, &c. The total result of this combination of gesture and significant sound will be a general system of expression, imperfect but serviceable, and naturally intelligible to all mankind without distinction of race.