A scene of utter silence or stagnation; all voices are suppressed or silenced; a state of dead silence or lifelessness.
在这次重要的学术研讨会上，主持人提问后，整个会场万马皆喑，没有人敢主动发表意见。
During this important academic seminar, after the host posed a question, the entire venue became utterly silent; no one dared to express their views voluntarily.
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