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

• Procure a solution to a knotty problem.
  解决了一个棘手的问题。
• Engineers would also have to solve some knotty packaging problems.
  还有，工程师也必须能解决某些错综复杂的套装问题。
• 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。
• I judged that he was concocting a particularly knotty editorial.
  我估计他是在拼凑一篇特别伤脑筋的社论。
• We should meet to discuss knotty problems, and talk them out to a point of mutual understanding.
  我们应该见面讨论棘手的问题，并把它们谈明白，以获得相互理解。
• It is almost impossible to skirt the knotty problem.
  想回避这个棘手的问题几乎是不可能的。
• The new management team faces some knotty problems.
  新的管理团队面临一些棘手的问题。
• He was scowling fearfully, and I judged that he was concocting a particularly knotty editorial.
  他皱眉瞪眼，样子很可怕，我估计他是在拼凑一篇特别伤脑筋的社论。
• This paper carries out analysis of some knotty problems in the teaching of "the structure of matter" to make numerous teachers and students understand and grasp the key and difficult points of this course.
  通过对《物质结构》教学中若干疑难问题的分析，使广大师生能更好理解、掌握这门课程的重点和难点。