1·Stumper a stumper. A knotty problem.
的确的确。一个棘手的问题。
2·Procure a solution to a knotty problem.
解决了一个棘手的问题。
3·Procure a solution of a knotty problem.
找到了一个解决棘手问题的办法。
4·It is almost impossible to skirt the knotty problem.
那几乎是不可能的事，不过他却办到了。
5·Writing is always a knotty problem in English teaching.
写作向来是英语教学中的一个难点。
6·He made his mind to solve the knotty problem by himself.
他下决心自己解决这个棘手的问题。
7·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！
8·The knotty problem which affects production has been solved.
解决了影响快速达产的难题。
9·The trainee foxed the arrogant instructor with a knotty problem.
那位受训的队员故意用难题把傲慢的教练搞糊涂。
10·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。