Loose cannon
01
不可预测的因素, 无法控制的人
a person who has lost their sanity, often momentarily
Idiom
例子
Do n't rely on him for critical tasks; he 's proven to be a loose cannon with his unreliable actions.
不要依赖他来完成关键任务；他的不可靠行为证明他是个难以预测的人。
The new employee 's aggressive behavior is like a loose cannon in the office, causing tension among the team.
新员工的攻击性行为就像办公室里的 失控的大炮，在团队中引起紧张。
