点胸洗眼
      Explanation: Refers to a wash this world, people suddenly clear.
      Source: Ming Chen Jiru, "Yan exposed on the remaining" volume down "An Interpretation of" cloud 'subordinate Han Li Qin original character, this book as to the Point of the Tang Dynasty to Jin Dynasty scribe, then of course interchangeable character too. 'Zhang Shen's remark, can wash the language point of chest. "