loose cannon
复数形式
loose cannons
1
不可预测的因素, 无法控制的人
a person who has lost their sanity, often momentarily
The idiom "loose cannon" originated from nautical terminology. In the era of sailing ships, a "loose cannon" referred to a cannon that had broken free from its moorings during naval battles. It is used to describe a person who is unpredictable, impulsive, and not under control, often acting in a way that can cause harm or problems.
- Don'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。
- The politician's controversial statements are making him appear as a loose cannon, causing his party to worry about public perception.
这位政治家有争议的言论让他看起来像一个失控的人，导致他的政党担心公众的看法。
- We need to be cautious around Tom; he's a loose cannon and could jeopardize the entire project with his impulsive decisions.
我们需要对汤姆保持谨慎；他是个不可预测的人，可能会因为他的冲动决定而危及整个项目。