无巧不成书

Explanation: Analogy it is coincidence. 　　Usage: Complex sentence; as object clause; metaphor to great coincidence 　　Source: Ming Feng Meng, "Awaken the common saying Maiyou Lang exclusive courtesan": "Since ancient times, said: 'coincidence'. Just one person rather than from under the wall." 　　Examples: What a coincidence, said Cao Cao, Cao Cao went to. 　　Riddle: Tanabata not encountered under the difficult Thesaurus:  be really too much