百思不得其解

Explanation: Article: multiple; thinking: consider, think; solution: to understand. After all sorts of thoughts that still can not understand 　　Usage: The main predicate; as predicate, object; that incredible 　　Source: Qing Liang, "the philosopher of religion and the length of gains and losses": "If this does not by key sincerity of people baffled too." Thesaurus:  not know why it is so, intangibility, extremely puzzled; be completely confused, mystery of mysteries— — extremely mysterious and abstruse, Figure it out, fathomless, Up on things vain, Couldn't find north, Touch door vain, cannot distinguish whether it's genuine or fake,true or false, perplex Antonym Group:  deafening noise, Fakuizhenlong