DICT.TW Dictionary Taiwan

 pro·fi·cient /-ʃənt/
 高手,名人(a.)精通的,熟練的

 Pro·fi·cient n.  One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

 Pro·fi·cient a. Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,
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 proficient
      adj : having or showing knowledge and skill and aptitude; "adept
            in handicrafts"; "an adept juggler"; "an expert job";
            "a good mechanic"; "a practiced marksman"; "a
            proficient engineer"; "a lesser-known but no less
            skillful composer"; "the effect was achieved by
            skillful retouching" [syn: adept, expert, good, practiced,
             skillful, skilful]