open fire

动词 open fire:

1. start firing a weapon
   同义词：fire

1. If you have any questions for our guest speaker, open fire now.
   如果你们有什么问题要问我们的客座讲演者，请现在开始提。
2. The officer commandedhis men to open fire.
   军官命令士兵开火。
3. He ordered his men to open fire.
   他命令士兵开火。