self-complacency

1. Consider the China pride and stagnant self-complacency of mankind.
   请想想中国的自大和那种人类的凝滞的自满。
2. Most of them have more or less paranoid psychological tendency, and it can give an explanation to some of their characteristics such as overhard working, highly self-sacrifice, and self-complacency.
   他们只有偏执性的心理倾向，由此可以对他们的某些外在表现如顽强刻苦、自我崇高进行解释。

noun

1. the feeling you have when you are satisfied with yourself
   1. his complacency was absolutely disgusting

   Synonym:    complacencycomplacenceself-satisfaction