It could mean "Shoot him, let him have it," or it could mean "Give him the gun, let him have it."

可以是说"开枪吧,给他一枪",也可以是说"给他吧,把枪给他"

耶鲁公开课 - 心理学导论课程节选

and it's a lot of fun. OK, so the project we worked on was a bubble gun.

真的很有意思。我们组设计的是气泡枪。

气泡项目 - SpeakingMax英语口语达人

Many of them say it's remarkable that they were never pushed to the point where they want to gun at their classmates, because they feel like they know what kinds of experiences these young boys went through.

很多人认为不可思议,这两个凶手竟然会被逼到这个份上,拿着枪对这自己的同学，因为他们觉得他们知道,这些青少年男孩子们所经历的一切。

麻省理工公开课 - 媒体、教育、市场课程节选

"All politics grows out of the barrel of a gun," as a famous twentieth-century Machiavellian once put it.

所有的政治都是活在枪杆子下“,这是二十世纪一位著名,马奇亚维利派学者的解译。

耶鲁公开课 - 政治哲学导论课程节选

If you squeeze the trigger of a gun really hard and really fast, it doesn't fire any faster or harder than if you just squeezed it gently.

快速有力地扣动扳机,并不比你轻扣扳机,射出的更加快速或更加有力

耶鲁公开课 - 心理学导论课程节选