self-complacent

1. It would seem that socialists, however self-complacent, could not avoid seeing this monstrous legal plunder that results from such systems and such efforts.
   无论社会主义者如何自以为是，他们还是无可避免地会看到，这种制度、这种努力带来合法掠夺的滔天罪行。
2. The man with flattering must be the murderer, because he will make any person self-complacent and arrogant and even presuming without discipline.
   满嘴奉承的人只能是凶手，因为他可以让人感到自满和骄傲甚至狂妄无律。
3. China cannot develop by closing its door, sticking to the beaten track and being self-complacent.
   关起门来，固步自封，夜郎自大，是发达不起来的。

adj

1. contented to a fault with oneself or one's actions
   1. he had become complacent after years of success
   2. his self-satisfied dignity

   Synonym:    complacentself-satisfied