bag·a·telle /ˌbægəˈtɛl/
  瑣事,小事,彈子球戲的一種
  Bag·a·telle n.
  1. A trifle; a thing of no importance.
     Rich trifles, serious bagatelles.   --Prior.
  2. A game played on an oblong board, having, at one end, cups or arches into or through which balls are to be driven by a rod held in the hand of the player.
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  bagatelle
       n 1: a light piece of music for piano
       2: something of little value or significance [syn: fluff, frippery,
           frivolity]
       3: a table game in which short cues are used to knock balls
          into holes that are guarded by wooden pegs; penalties are
          incurred if the pegs are knocked over [syn: bar billiards]