shilly-shally /ˈʃɪliˌʃæli/
  (vi.)猶豫不決,遊手好閒猶豫不決(a.)猶豫不決的(ad.)猶豫不決地
  Shill-I-shall-I Shil·ly-shal·ly, adv.  In an irresolute, undecided, or hesitating manner.
     I am somewhat dainty in making a resolution, because when I make it, I keep it; I don't stand shill-I-shall-I then; if I say 't, I'll do 't.   --Congreve.
  Shil·ly-shal·ly, v. i. To hesitate; to act in an irresolute manner; hence, to occupy one's self with trifles.
  Shil·ly-shal·ly, n. Irresolution; hesitation; also, occupation with trifles.
     She lost not one of her forty-five minutes in picking and choosing, -- no shilly-shally in Kate.   --De Quincey.
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  shillyshally
       n : the act of procrastinating; putting off or delaying or
           defering an action to a later time [syn: procrastination,
            cunctation]
       v 1: be uncertain and vague
       2: postpone doing what one should be doing; "He did not want to
          write the letter and procrastinated for days" [syn: procrastinate,
           stall, drag one's feet, drag one's heels, dilly-dally,
           dillydally]
       [also: shillyshallied]