red herring
成語所屬單字herring
red herring — 慣用語
1. a fact, idea, or piece of information that is not important but is deliberately
1.慣用語
釋義
a fact, idea, or piece of information that is not important but is deliberately used to take people's attention away from the real issue
例句
The detective realised the anonymous letter was a red herring meant to delay the investigation.