a knotty problem
棘手的问题
the knotty roots of the old oak tree
盘根错节的老橡树根
1.纠纷的,棘手的
2.有节的,有结的;节疤多的
1.difficult to solve or understand
2.knotty wood has a lot of round hard places in it
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.The knotty joints of his hips and shoulders stood out a good three inches from his body.
腰胯和双肩的关节瘦骨嶙峋，突出身体三英寸之多。
4.while a smiling request, which appeals irresistibly, does a great deal to help tackle knotty problems.
当一个微笑的请求，不可抗拒地时呼吁，非常做帮助应付难题。
5.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。
6.I mentioned knitting and nodes as well as net and knot and all of these words go back to a knotty origin.
我提到过编织（knitting）和节点（nodes），也提到过网（net）和结（knot），所有这些词汇都可以追溯到一个复杂的源头。
7.Puzzlement of "ask" in study--Discussion of several knotty problems in "learn to ask"
学“问”的困惑--探讨“学会提问”的几个疑难问题
8.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。
9.For any company claiming the ethical high ground , decisions about advertising sales were always going to be knotty .
对于任何声称占领道德高地的公司来说，广告销售方面的决策总是相当棘手。
10.They met to discuss knotty problems and talk them out to a point of mutual understanding.
他们开会讨论，解决棘手的问题，从而达成相互谅解。