她瞄得准，第一枪就打中了狮子。

Her aim was good and she hit the lion with her first shot.

《牛津词典》

一个埋伏的士兵一枪就把他打死了。

He was killed by a single shot from an unseen soldier.

《牛津词典》

开了一枪后，枪哑火卡住了。

The gun misfired after one shot and jammed.

《柯林斯英汉双解大词典》

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

The retarded brother shouted, "Let him have it," whereupon the brother shot and killed the police officer.

发育迟缓的兄弟大喊,"给他一枪",于是他的兄弟开枪射杀了这名警官

耶鲁公开课 - 心理学导论课程节选

You can poison them, you can strangle them, you can shoot them in the heart.

你可以下毒或是勒死他们,你可以朝他心脏开一枪

耶鲁公开课 - 死亡课程节选