the long arm of the law
法律的长臂
口语或新闻·形容法律无所不及
英文释义
The power and authority of the police or legal system to catch and punish criminals, even if they try to hide or escape
例句
He thought he could escape, but the long arm of the law caught up with him.
典故来源
源自19世纪警察权力延伸的比喻，强调法律追捕范围之广。