資料來源 : pyDict

精通地;熟練地

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Proficiently \Pro*fi"cient*ly\, adv.
   In a proficient manner.

資料來源 : WordNet®

proficiently
     adv : in a proficient manner; "he dealt proficiently with the
           problem"