To release (a catch or trigger, as on umbrella, pocketknife, release of camera, safety pin, hair clip, trigger on gun, etc.); pull or push, shut or open.
We only open our umbrella when it rains.
We have a contest (to see) who pulls the trigger first when we shoot.
Passikun sinapangin.
Pull the trigger of the gun.
Release (of catch or trigger), discharge (of firearm), shot (as of gun or photographic camera).
We took one shot (picture) earlier.