experienced
  (a.)有經驗的經驗豐富的,老練的
  Ex·pe·ri·ence, v. t. [imp. & p. p. Experienced p. pr. & vb. n. Experiencing ]
  1. To make practical acquaintance with; to try personally; to prove by use or trial; to have trial of; to have the lot or fortune of; to have befall one; to be affected by; to feel; as, to experience pain or pleasure; to experience poverty; to experience a change of views.
     The partial failure and disappointment which he had experienced in India.   --Thirwall.
  2. To exercise; to train by practice.
  The youthful sailors thus with early care
  Their arms experience, and for sea prepare.   --Harte.
  To experience religion Theol., to become a convert to the doctrines of Christianity; to yield to the power of religious truth.
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  ex·pe·ri·enced p. p. & a. Taught by practice or by repeated observations; skillful or wise by means of trials, use, or observation; as, an experienced physician, workman, soldier; an experienced eye.
     The ablest and most experienced statesmen.   --Bancroft.
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  experienced
       adj : having become knowledgeable or skillful from observation or
             participation [ant: inexperienced]