idiom > a shot in the dark an excursive fancy
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胡猜 Luanxiang
  Explanation: Unjustifiably arbitrary conjecture.
No. 2
  No base random guess. Ma Feng, "had known for three years": "Village of the way in to the screening, my mind constantly guessing." Sun Li "Baiyangdian Chronicle possession": "She guessing, what ah, night out day back? "
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No. 3
  Random guess. Not sure of the things that add random guess.
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No. 4
  【词目】胡猜乱想 
  【读音】hú cāi luàn xiǎng
  【释义】胡乱地猜想。指对没有把握的事情乱加猜测。
  【出处】明·冯梦龙《醒世恒言》卷四:“胡猜乱想,惊疑不定。”
  【示例】明·凌蒙初《二刻拍案惊奇》第17卷:“弄得魏撰之满肚疑心,胡猜乱想。”
  【用法】作谓语、宾语、定语;指瞎猜疑