神鬼不测

Explanation: Spirits ghosts can not conjecture. Made things very strange secret. Also for the "Battle of the unfathomable." 　　Source: Yuan Zheng Guangzu "Tien Yi Yin" Third off: "Magi Bourne ominous development machine, Hing A brigade of the division, his assistant, son to become a major event." Yuan Anonymous "fire Liu chuiwan" First off: "If the theory of I depicts the art of war, there are ghost unexpected Committee of the machine, the law has Zhuoshu a cat. "