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

• 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。
• This is a knotty problem.
  这可是件让人挠头的事。
• 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。
• Thank you for the article to help me solve a knotty problem!
  谢谢你的文章帮助我解决了一个棘手的问题！
• 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。
• 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。
• I now face the knotty question of what to have for breakfast.
  我现在伤脑筋的是不知道早餐吃什么好。
• 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。
• Even the professor could not clarify the knotty point.
  甚至教授也无法解决这个棘手问题。
• 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。