您要查找的是不是：
- approach a task; go about a difficult problem; appraoch a new project. 动手解决这个难题；动手处理一个新项目。
- go about a difficult problem 动手解决这个难题
- 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。
- The teacher set his pupils a difficult problem. 老师给学生出了一道难题。
- To go about a task with great energy and speed. 干得起劲以极大的精力和速度做某项任务
- 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。
- In itself, it's not a difficult problem to solve. 这本身并不是个难解决的问题。
- It's really a difficult problem. 我们该怎么办。
- We found it a difficult problem. 我们发现这是一个难题。
- It's not a difficult job if you go about it in the right way. 假如你以正确的方法做,那不是一件困难的工作。
- We have a difficult problem to solve. 我们有一个难题要解决。
- Never have I come across such a difficult problem. 我还从没有遇到过这样困难的问题。
- A difficult problem or two occupied his mind. 有一两个困难问题在他心里回旋。
- A difficult problem or question. 难题，令人费解的问题
- Mother is much better,thank you,she is able to go about a bit more. 谢谢你，现在母亲好多了，她能多走动一些了。
- To present a difficult problem to; puzzle. 难住使面对一个难题
- Mother is much better, thank you, she's able to go about a bit more. 谢谢你,母亲好多了,她已能更多地走动了。
- Mother is much better, thank you, she is able to go about a bit more. 谢谢你，现在母亲好多了，她能多走动一些了。
- She is working at a difficult problem in mathematics. 她在做一道数学难题。
- How will you go about building a boat? 你是怎样着手建一艘船的呢？
