gun for

基本解释

After years spent toting a gun for what he believes is a German crime syndicate, he wants out.
在傭兵組織中服役多年之後，他覺得那組織是一個德國犯罪團夥，於是決定退出。
It was a surprise to the world, a shock to many Americans, and the starting gun for the space race between the superpowers.
在冷戰中，這個消息震驚了世界，竝給美國人帶來巨大沖擊，同時也是兩個超級大國間太空競賽的發令槍響。
His next assignment turns out to be making a high-powered rifle/machine gun for a foxy female assassin (Thekla Reuten) who’s as enigmatic as he is.
他的下一個任務是爲一位如狐女刺客（塔尅拉·魯藤）制造一把高性能來福槍/機關槍，她的高深莫測程度一點兒也不比傑尅少。

Will you not vote for the killer if you already feel the cold steel of his gun against your head?"
There'd be certain activities perhaps, for example putting a gun to your head, that would put an end to your life.
也許會有某些特定的活動，比如用槍指著你的頭，會結束你的生命。
耶魯公開課 - 死亡課程節選
The police officer shouts for the brother, the non-retarded brother, to drop the gun.
警官要求智力正常的兄弟,把槍放下
耶魯公開課 - 心理學導論課程節選

But I bought a gun for self-defense and carried it in the glove compartment.
NEWYORKER: Beginners