真偽莫辨 zhēn wěi mò biàn

DEFINITIONS

  1. can't judge true or false (idiom); unable to distinguish the genuine from the fake
  2. not to know whether to believe (what one reads in the news)

CHARACTERS

真 zhēn
HSK 2
real, actual, true, genuine
偽 wěi false, counterfeit, bogus
莫 mò
HSK 6
do not, is not, can not; negative
辨 biàn
HSK 6
distinguish, discriminate