DICT.TW Dictionary Taiwan

 tick·ler /ˈtɪk(ə)lɚ/
 難題,難事,備忘錄,呵癢的人

 Tic·kler n.
 1. One who, or that which, tickles.
 2. Something puzzling or difficult.
 3. A book containing a memorandum of notes and debts arranged in the order of their maturity. [Com. Cant, U. S.]
 4. A prong used by coopers to extract bungs from casks. [Eng.]
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 tickler
      n : a file of memoranda or notices that remind of things to be
          done [syn: tickler file]