目不见睫

Explanation: Eyes can not see my eyelashes. Metaphor of person who, without self-knowledge 　　Usage: The main predicate; as predicate; containing derogatory 　　Source: Qin Han Fei, "Han Fei Yu old": "Robinson is also suffering from wisdom, such as mesh, and can not see the kingdom of a hundred paces away from the reflected eyelashes." 　　Examples: Demand in recent far left, such as ~. (Song Wang, "resent Caitian Qi" Poetry)