con·jec·ture /kənˈʤɛkʧɚ/
 推測,猜想,揣摩(vt.)(vi.)推測,猜想,揣摩
 conjecture
 推測 猜測
 Con·jec·ture, v. t. [imp. & p. p. Conjectured p. pr. & vb. n. Conjecturing.]  To arrive at by conjecture; to infer on slight evidence; to surmise; to guess; to form, at random, opinions concerning.
    Human reason can then, at the best, but conjecture what will be.   --South.
 Con·jec·ture n.  An opinion, or judgment, formed on defective or presumptive evidence; probable inference; surmise; guess; suspicion.
    He [Herodotus] would thus have corrected his first loose conjecture by a real study of nature.   --Whewell.
    Conjectures, fancies, built on nothing firm.   --Milton.
 Con·jec·ture, v. i. To make conjectures; to surmise; to guess; to infer; to form an opinion; to imagine.
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 conjecture
      n 1: a hypothesis that has been formed by speculating or
           conjecturing (usually with little hard evidence);
           "speculations about the outcome of the election"; "he
           dismissed it as mere conjecture" [syn: speculation]
      2: a message expressing an opinion based on incomplete evidence
         [syn: guess, supposition, surmise, surmisal, speculation,
          hypothesis]
      3: reasoning that involves the formation of conclusions from
         incomplete evidence
      v : to believe especially on uncertain or tentative grounds;
          "Scientists supposed that large dinosaurs lived in
          swamps" [syn: speculate, theorize, theorise, hypothesize,
           hypothesise, hypothecate, suppose]