They don't hesitate to open fire when confronted by police
他们遭遇警察时毫不犹豫地开火。
After three hours of playing cat and mouse, they threatened to open fire on our vessel, so we stopped
玩了3个小时的`猫捉老鼠后，他们威胁说要向我们的船上开火，所以我们就停了下来。
Don't leave a child alone in a room with an open fire.
房间里有裸露的明火时，不要让孩子独处其中。
It is commonplace for snipers to open fire on aid convoys.
狙击手向救援车队开火的事情很常见。
You not afraid that I open fire in your back?
你不怕我在你背后开枪？