self-suf·fi·cient /-ˈfɪʃənt/
  (a.)可以自給的,自足的,極為自負的
  Self-suf·fi·cient a.
  1. Sufficient for one's self without external aid or cooperation.
     Neglect of friends can never be proved rational till we prove the person using it omnipotent and self-sufficient, and such as can never need any mortal assistance.   --South.
  2. Having an overweening confidence in one's own abilities or worth; hence, haughty; overbearing. “A rash and self-sufficient manner.”
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  self-sufficient
       adj : able to provide for your own needs without help from others;
             "a self-sufficing economic unit" [syn: self-sufficing,
              self-sustaining]