他们工作的平庸程度让我感到震惊。

I was shocked by the ___mediocrity of their work.

她的作品是平庸的典型。

Her writing was a model of ___mediocrity.

这家公司对平庸的容忍最终导致了它的衰落。

The company's tolerance for ___mediocrity ultimately led to its decline.