idiom > Meidemantian
Meidemantian

  Explanation: Unconscionable metaphor conceals the truth, with lies to deceive others. Also as "ignorant of the day to hide the truth."
  Source: Jin Hou Shanyuan "sprinkle River Month" word: "ignorant to 谩 days, more could have been will be to skillfully turned the humble."
  Examples: You're so ignorant to conceal days, assemblies eloquent rape secluded. ★ Ming Anonymous "get Xiaotian You Live" head off