com·pe·tent /ˈkɑmpətənt/
  (a.)能乾的,勝任的,有權能的,足夠的
  com·pe·tent /ˈkɑmpətənt/ 形容詞
  有能力的,有活性的,有資格的,感受態的,勝任態的
  Com·pe·tent a.
  1. Answering to all requirements; adequate; sufficient; suitable; capable; legally qualified; fit. “A competent knowledge of the world.” --Atterbury. “Competent age.” --Grafton. “Competent statesmen.” --Palfrey. /“A competent witness.” --Bouvier.
  2. Rightfully or properly belonging; incident; -- followed by to. [Rare, except in legal usage.]
     That is the privilege of the infinite Author of things, . . . but is not competent to any finite being.   --Locke.
  Syn: -- See Qualified.
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  competent
       adj 1: properly or sufficiently qualified or capable or efficient;
              "a competent typist" [ant: incompetent]
       2: adequate for the purpose; "a competent performance"