To follow others blindly or join in the commotion without independent judgment; to echo others' opinions without thought.
在讨论会上，当一个人提出一个未经证实的消息后，许多人便开始一犬吠影，百犬吠声，导致气氛一度混乱。
At the discussion meeting, when one person brought up an unverified piece of news, many started to follow blindly, echoing the sentiment without thought, which briefly led to a chaotic atmosphere.
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