真伪莫辨

Explanation: Did not dare. A confusion between true and false. 　　Source: Lu Xun's "Diary of canopy support assembly sequel immediately," morning, six empty talk; all talk about some things contained in the newspaper, true and false. " 　　Examples: Morning, six empty talk; all talk about some things contained in the newspapers, ~. (Lu Xun's "Diary of canopy _set_ sequel immediately sticks") Thesaurus:  not know why it is so, intangibility, extremely puzzled; be completely confused, mystery of mysteries— — extremely mysterious and abstruse, Figure it out, Puzzling, fathomless, Up on things vain, Couldn't find north, Touch door vain, perplex Antonym Group:  deafening noise, Fakuizhenlong