The soldiers were authorized to shoot at will.

士兵得到允许可以随意开枪。

Some of them are a little trigger-happy—they'll shoot at anything that moves.

他们中的一些人有点爱动用武器—他们会向任何移动的物体射击。

"I dare not shoot at him," said the huntsman, "for I should kill the beautiful young lady also."

“我不敢朝他开枪，”猎人说，“因为我也会杀了这位美丽的小姐。”

The humans shoot at the Transformers a lot, although never in the history of science fiction has an alien been harmed by gunfire.

人类不停地朝变形金刚开火，不过在科幻片的历史上，还从来没有外星人被枪炮伤到的记录。

How to shoot at someone who outdrew you?

如何射杀某个攻击你的人？