gordian

例句:

• Everybody is afraid, what a Gordian knot did golden hill interior produce?
  大家担心, 金山内部是不是发生了什么棘手的问题?
  
• The first day when attend class, encountered a Gordian knot.
  上课的第一天, 就碰到了棘手的问题.
  
• Let's cut the Gordian knot in doing with such a complicated matter.
  要处理这么复杂的问题,我们就快刀斩乱麻把!
  
• This is the Gordian knot facing the new US Secretary of State, John Kerry.
  来自BBC