Stir a hornet's nest
因鲁莽言行引发巨大麻烦或众怒，如同捅了马蜂窝。
形容挑起争端或引发混乱。
例句
His comments about the policy stirred a hornet's nest among the staff.
典故来源
源于真实生活经验，捅马蜂窝会招致蜂群攻击，比喻引发激烈反应。