"All out" or "empty the magazine" are possible ways to express "全弹离仓" in Engpsh.

The phrase "全弹离仓" refers to the act of firing all the rounds in a firearm's magazine. It is a miptary or firearms term that originated from the design of some guns, which have a magazine that can be removed and replaced with a new one when it is empty. "全弹离仓" pterally means "all bullets out of the magazine."

Here are some examples of how "全弹离仓" can be used in Engpsh sentences:

"I emptied the magazine and reloaded before entering the building." (Chinese translation: "我在进入建筑物之前弹离仓并进行了换弹。")
"The shooter fired off all the rounds in a single burst." (Chinese translation: "射手在单次射击中全弹离仓。")
"Make sure to keep your weapon loaded and ready in case of an attack." (Chinese translation: "确保保持武器装弹和准备就绪，以防遇到攻击。")