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

• 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。
• 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。
• The psychological inversion of the students is a knotty problem in the college ideological and political work.
  大学生的逆反心理是高校思想政治工作中比较棘手的一个问题。
• He had to discuss knotty points of Rousseau and Hegel with her.
  他不得不和她讨论卢梭和黑格尔的那些深奥问题。
• While in calculation of unsteady state problems, the transient terms are always knotty problems to deal with.
  但是在求解非稳态流体流动问题时，对非稳态项的处理一直是个棘手问题。
• Even the professor could not clarify the knotty point.
  甚至教授也无法解决这个棘手问题。
• 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。
• 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。
• With the rapid growth of floating population, the population management has become a knotty problem.
  在当今的社会中流动人口的加剧，对人口的管理是一个很难的问题。
• 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。