fire in the hole
01
洞里有火, 小心，爆炸
used in contexts like mining, demolition, or military operations to alert others that an explosion is about to occur
例子
During military training exercises, soldiers practice throwing grenades and shout, " Fire in the hole! " before each throw.
在军事训练演习中，士兵们练习投掷手榴弹，并在每次投掷前大喊"洞里有火！"。
