knotty [ˈnɑ:ti]

例句:

• The new man-agement team faces some knotty problems.
  新的管理团队面临一些棘手的问题。
  
• the knotty roots of the old oak tree
  盘根错节的老橡树根
  
• Under his leadership, many knotty problems were smoothly solved.
  在他的领导下, 许多伤脑筋的问题都迎刃而解.
  
• Scorch Trio's music is as knotty as their surnames.
  来自BBC
• But this outcropping was glossy black and covered in knotty protrusions.
  来自NEWYORKER
• Make...Thy knotty and combined locks to part, And each particular hair to stand on end.
  来自Hamlet,Shakespeare