frib·ble /ˈfrɪbəl/
  做無價值事的人,無益的行為(vi.)輕舉妄動,做無聊事,浪費
  Frib·ble a.  Frivolous; trifling; silly.
  Frib·ble, n. A frivolous, contemptible fellow; a fop.
     A pert fribble of a peer.   --Thackeray.
  Frib·ble, v. i.
  1. To act in a trifling or foolish manner; to act frivolously.
     The fools that are fribbling round about you.   --Thackeray.
  2. To totter. [Obs.]
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