scent blood idiom
嗅到血腥味（意识到竞争对手有麻烦，并加以利用）
to believe that someone you are competing against is having difficulties and to use this to get an advantage for yourself
The manager has already made some serious errors of judgment and it is clear that other employees scent blood. 经理已经犯了一些严重的判断错误，很明显其他员工已经嗅到了血腥味。