guesswork [ˈgeswɜ:rk]

例句:

• We can't make a decision based on hearsay and guesswork.
  我们不能根据传言和猜测作决定。
  
• The question of who planted the bomb remains a matter of guesswork.
  到底是谁安放了炸弹依然只是猜测。
  
• It was pure guesswork on our part.
  这纯属我们的猜测。
  
• You have nothing but unsubstantiated impossible guesswork that answers nothing.
  来自SA
• The most popular way of estimating retirement needs is guesswork.
  来自WSJ
• Trying to extrapolate sex differences or gender differences individually is guesswork.
  来自SA