蛇心佛口
      Explanation: Buddha's mouth, the snake's heart. Although the analogy would be nice, extremely vicious heart.
      Source: Puji Song Interpretation "Wu Deng Hui Yuan," Volume Twenty: "Buddha was born, robbery homicide, founder of the West, the hair _set_ on fire, ancient and modern snakes mouth good mentor Buddha mind, the world Naseng cage from the investment threshold."
      Examples: Wang Kui you ferocious ~, I went to the Land of the Dead, you also need to hook this bad wits, will be broken and I would Qianfan RECOMMENDED. ★ Ming Wang Yufeng, "incense note structure bad"