dil·i·gent /ˈdɪləʤənt/
 (a.)勤勉的,用功的


 Dil·i·gent a.
 1. Prosecuted with careful attention and effort; careful; painstaking; not careless or negligent.
    The judges shall make diligent inquisition.   --Deut. xix. 18.
 2. Interestedly and perseveringly attentive; steady and earnest in application to a subject or pursuit; assiduous; industrious.
    Seest thou a man diligent in his business? he shall stand before kings.   --Prov. xxii. 29.
    Diligent cultivation of elegant literature.   --Prescott.
 Syn: -- Active; assiduous; sedulous; laborious; persevering; attentive; industrious.

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 diligent
      adj 1: quietly and steadily persevering especially in detail or
             exactness; "a diligent (or patient) worker"; "with
             persevering (or patient) industry she revived the
             failing business" [syn: persevering]
      2: characterized by care and perseverence in carrying out
         tasks; "a diligent detective investigates all clues"; "a
         diligent search of the files" [ant: negligent]