knotty

英 [ˈnɒti]

美 [ˈnɑːti]

adj.  复杂的; 难以解决的; 棘手的; 有节的; 缠绕在一起的

最高级：knottiest　比较级：knottier　

GRE

BNC.21895 / COCA.23275

牛津词典

adj.

• 复杂的；难以解决的；棘手的
  complicated and difficult to solve
  1. a knotty problem
     棘手的问题
• 有节的；缠绕在一起的
  having parts that are hard and twisted together
  1. the knotty roots of the old oak tree
     盘根错节的老橡树根

柯林斯词典

• ADJ-GRADED 复杂的；难以解决的；棘手的
  Aknottyproblem is complicated and difficult to solve.
  1. The new management team faces some knotty problems.
     新的管理团队面临一些棘手的问题。
• ADJ 有节的；多节的
  Knottywood has a lot of small hard areas on it where branches once grew.
  1. ...the knotty trunk of a hawthorn tree.
     多节的山楂树干

双语例句

• How to construct an excellent artificial neural network based on actual problems is a knotty problem for us.
  如何根据问题建立一个好的神经网络是摆在我们面前最棘手的问题。
• Connected to this is the knotty matter of division.
  与此相关联的是棘手的除法问题。
• Even the professor could not clarify the knotty point.
  甚至教授也无法解决这个棘手问题。
• The chemistry is knotty for me.
  化学对我来说是很复杂难懂的。
• Procure a solution to a knotty problem.
  解决了一个棘手的问题。
• This paper raises knotty problems concerning the translation of the History of Ming Into the vernacular Chinese.
  本文就个人翻译《明史》时遇到的一些较为棘手的问题提出来进行讨论。
• 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。
• The new management team faces some knotty problems.
  新的管理团队面临一些棘手的问题。
• He tackled the knotty problem without recourse to any help.
  他不依靠任何人的帮助而独立处理这一难题。
• Reconciling and resolving gem dependencies is something of a knotty problem.
  协调和解决gem依赖性是个棘手的问题。