出人意表

Explanation: Table: Foreign. And contrary to popular expectations. 　　Usage: Verb-object type; as predicate, attributive, adverbial; that unexpected things beyond people 　　Source: "Chen Shu Chuan Yuan Gazette": "Constitution often attract all students, talk with them, each time a new proposal, unexpectedly, peer services salty sigh Yan." 　　Examples: However, there are questions Bachelor Qinmu Gong Su Song tomb poetry, ~. (Ming Feng Meng, "Eastern Zhou Zhi" Forty-seventh back) Thesaurus:  do stb.when people are off guard, take sb. unawares, Surprise, The enemy is unprepared, Ji lei Less Their ears, sudden; as sudden as lightening; sudden peal of thunder leaves no time for covering ears