shoot one's bolt

When he had gone I went to the door and shot its bolt.

He shot the bolt, then started a fast check of his room.

But events leave little time for us to make the right decisions, so have we shot our bolt?

Could they hope that the sea things had shot their bolt for this time?

Maggie stood up, shot the bolt and let herself out.

She forced herself to take a deep breath and stand up, then shot the bolt back on the door.

I went down, shot the bolt, and she took off into the night like a rocket.

He walked across to the door and quietly shot the big bolt.

They both heard a sound of bolts being hastily shot back.

He heard the sound of the bolt being shot to, then the doctor's steps returning.