不可端倪

Explanation: Clue: clue. Could not find it out. Described as unpredictable. 　　Usage: Verb-object type; for the predicate; describe unpredictable 　　Source: Song Zhuang Zhou Warring States, "great master Zhuangzi": "forget the liver and gallbladder, leaving the eyes and ears, repeated consistently, I do not know clue." 　　Examples: Day to the afternoon, still refuses to become the word to colleagues in London relative to forced vibration tenor straight book, Tao anger Yunshu, ~. (Qing Wang Zhuo, "said present literature")