1.The technician turned over the knotty problem for a long time until he found a solution to it.
技术员把这个难题考虑了好长时间，直到想出一个解决的办法。
2.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。
3.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。
4.Just as a lamp can illuminate a dark room , a perceptive comment can illuminate a knotty problem .
正如灯能照亮黑暗的房间，具有真知卓见的评论亦能阐明棘手的问题。
5.But connecting the dots has proved to be a knotty problem for organizations built on secrecy and control.
对于各大组织来说，在安全和可控的基础上将各个信息点连接起来被证明是一个难题。
6.Finding the solution to a knotty problem requires hard thinking, but the answer often comes only when you switch off - and take a bath.
为一个难题寻找解决方法是很费脑筋的，然而往往只有当你不再为此焦虑时答案才会出现——所以不如泡个澡吧。
7.The problem of the bad assets is a knotty problem commonly encountered by the banking business of each country.
不良资产是各国银行业普遍都曾遭遇过的一个棘手问题。
8.He tackled the knotty problem without recourse to any help .
甚至教授也无法解决这个棘手问题。
9.a baffling problem; I faced the knotty problem of what to have for breakfast; a problematic situation at home.
令人费解的问题；我面对着早餐吃什么的困难问题；国内的困难形势。
10.If you needed to know how something worked or needed a solution to a particularly knotty problem, you went to her.
如果你遇到一些特别难以解决的问题时，那么，去请教她是最合适的了。