Смысл: hair-trigger

hair-trigger1. [͵heəʹtrıgə] n воен.
<Í> спусковой крючок, требующий слабого нажатия

2. [͵heəʹtrıgə] a
<Í> 1. действующий, включающийся при слабом нажиме
hair-trigger reaction - мгновенная /моментальная/ реакция
hair-trigger situation - взрывоопасная ситуация /обстановка/
2. разг. вспыльчивый, неуравновешенный
he has a hair-trigger temper - у него вспыльчивый характер; он заводится с пол-оборота

trigger Идиома

finger on the trigger

1. someone with the

squeeze the trigger

to shoot a gun

quick on the trigger

Idiom(s): quick on the trigger

Theme: RESPONSE

quick to respond to anything.
• John gets the right answer before anyone else. He's really quick on the trigger.
• Sally will probably win the quiz game. She's really quick on the draw.

Pull the trigger

The person who pulls the trigger is the one who does the action that closes or finishes something.

quick on the trigger|happy|quick|trigger|trigger h

adj. phr. Ready to shoot without warning; fast with a gun. He's a dangerous criminal quick on the trigger. 2. informal Fast at answering questions or solving problems. In class discussions John is always quick on the trigger.

trigger

trigger
In addition to the idiom beginning with trigger, also see quick on the draw.

trigger happy

trigger happy
Inclined to act violently at the slightest provocation, as in They feared that the President was trigger happy and would send in troops at the drop of a hat. This expression alludes to being too eager to fire a gun. [c. 1940]