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

盖伊动了扳机，但并非有意开枪，只是因为太紧张，抽搐了一下。

The hunter cocked his rifle.

猎人扳机准备射击。

He accidentally triggered his rifle.

无意中发了步枪的扳机。

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，一头系在燧发装置的扳机上。