There'd be certain activities perhaps, for example putting a gun to your head, that would put an end to your life.

也许会有某些特定的活动，比如用枪指着你的头，会结束你的生命。

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because you're thinking the guy might be trying to steal your car, put you at gunpoint, hijack you,

因为你会想这个人可能是想偷你的车或用枪威胁你，劫持你，

SpeakingMax英语口语达人 : 大城市是否危险？

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"

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