The overwhelming power of public opinion, especially when it involves rumors or slander, which can distort facts, damage reputations, or even ruin prospects, likened to many mouths melting metal.
尽管项目团队付出了巨大努力，但外界的负面议论如同众口销铄，让投资方对项目的信心大打折扣。
Despite the project team's immense efforts, negative external discussions, like 'many mouths melting metal,' significantly eroded the investors' confidence in the project.
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