Suddenly Guy, more by way of a nervous twitch than with malice aforethought, pulled the trigger.

盖伊突然动了，但并非有开枪，只是因为太紧张，抽搐了一下。

The hunter cocked his rifle.

猎人准备射击。

He accidentally triggered his rifle.

无发了步枪。

As well as making the explosion more reliable, this allowed military engineers to turn the fougasse into a booby trap.

绊索由合股细线制成，一头系在燧发装置上。