diligentKK [ˋdɪlɪdʒənt] /ˈdɪlɪdʒənt/形容詞1勤勉的、勤奮的、用功的She is a diligent student who never misses a class.她是個用功的學生,從不缺課。2仔細的、認真的、縝密的多用於正式場合After a diligent search, they finally located the missing file.經過仔細的搜尋,他們終於找到那份遺失的檔案。