《太平广记·卷二百五十五·嘲诮三》
于是私下写一篇判状，诋毁他舅说：他的后背与常人不一样，长了一层象猪皮似的硬甲壳。
乃私试为判头，毁其舅曰：甲背有猪皮之异。
So he privately wrote a verdict, slandering his uncle: His back is different from ordinary people's, and he has a layer of hard carapace like a pig's skin.