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- The teacher set his pupils a difficult problem. 老师给学生出了一道难题。
- That is an exceedingly difficult problem. 那是个非常困难的问题。
- He tried all manner of ways to solve the difficult problem. 为了解决那道难题，他试了各种方法。
- The greatest scholar cannot solve this difficult problem. 再伟大的学者也没有办法解答这个难题吧。
- Our professor is too capable not to solve this difficult problem. 我们教授非常有才干，必定能解决这一难题。
- Mr. Wells tackled the difficult problem, but he couldn't solve it. 威尔斯先生处理过这一难题,但未能解决。
- It's a difficult problem and I should like to go over the ground again. 这个问题是很麻烦，我想再了解一下情况。
- I've just had a brainwave; I know a new approach to the difficult problem! 我刚才灵机一动，突然想出了一个解决这一难题的新办法！
- financial difficult problem 金融难题
- We have touched a thorny difficult problem. 我们碰到了一个棘手的难题。
- How to quiet title is still a difficult problem. 如何决定所有权仍然是一个困难问题。
- We will tackle this difficult problem. 我们将着手解决这个难题。
- In itself, it's not a difficult problem to solve. 这本身并不是个难解决的问题。
- It is a most difficult problem to solve. 这是一个非常难以解决的问题。
- I'll explain the difficult problem. 我来解释这道难题。
- Do you meet any difficult problem in your job? 如果每遇到什么困难,你是失败的。
- It's really a difficult problem. 我们该怎么办。
- How did you deal with that difficult problem? 你是怎样解决那个难题的?
- We found it a difficult problem. 我们发现这是一个难题。
- Liu Mingkang: First what I want saying that first I or am the financial difficult position make the general on the financial crisis commentary. 刘明康：首先我想说的是，首先我就金融危机或者是金融的困境做一般性的评论。
