imponderable [ɪmˈpɑ:ndərəbl]

例句:

• It is not so much the calculable cost but the possible, imponderable one.
  来自Guardian
• Our imponderable resources in knowledge are constantly growing and are inexhaustible.
  我们无法估量的知识资源是不断发展永不枯竭的.
  
• Our resources in technical knowledge are imponderable.
  我们的技术知识资源是无法估量的.
  
• The effect of his new method is imponderable.
  他的新方法所起的作用是无法正确估计的.
  
• "This character should be an imponderable well, not a fringe-flicking prima donna," he wrote.
  来自BBC
• Until this distinction is factored into the equation, the relative influence of parents and peer groups is an imponderable.
  来自SA