有一些读者向我询问健康食谱，事实上，这个问题对我们来说每一天都是两难，因为我们或者没有时间吃早餐，或者没有太多的早餐可选择。
Several readers asked about healthy breakfast ideas, and in truth, it's a dilemma that many of us face each day. Either we don't have time for breakfast, or we don't have many healthy options.
另外我认为你的问题有很多种答案，不过这确实是一个非常难的问题。
And I think there are many potential answers there. It's a very difficult question.
例如，某位客户有一个有趣的两难问题。
他们就这个问题请教大师的意见，大师说道：“有项工作比这三个都要难。”
Said the Master, when asked his opinion, "I know of a more difficult task than any of those three".
目前也难估计，该问题的范围有多大，多少用户还处于危险中。
Is also difficult to estimate the extent the scope of the problem, the number of users at risk.
在中国，有一句方言“家家都有本难念的经”，父母和孩子间的问题总是一直存在。
In China, there is an old saying: every family has their issue, the parents and their children's problems exist all the time.
他们听到的是：“这对大部分人来说都很简单，如果你觉得难，那就是你有问题了。”
What they hear: "It's easy for most people. If you have trouble doing it, there is probably something wrong about you".
如果他们对浏览器平台的核心知识有较好的理解，想出解决同一问题的不同方案根本没有那么难。
If they have a good understanding of the core parts of the browser platform, it's not that difficult to imagine a different solution to the same problem.
可是这里有一个两难的问题：学校声称他们无法找到合格的教师，而受过良好培训的教师却不知道该到哪里去。
There is a dilemma here: the schools claim that they could not find the qualified teachers who can take the Chinese course, but the well trained teachers do not know where to go.
第四种矛盾同样是一个两难问题，世界总的说来是否有一个原因。
Finally, the fourth antinomy is the dilemma: Either the world as a whole has a cause or it is uncaused.
这个问题有点儿难，但我相信你有能力去解决它！
This question is a bit difficult, but I believe that you have the ability to solve it!
但传统转化方法用在平面网络中破坏了网络的平面性，使平面网络中节点和边都有容量的问题比仅边有容量的问题难。
But the traditional reduction destroys planarity of planar networks, so in planar networks, the problems with both node and edge capacities are harder than problems with only edge capacities.
图的割宽问题在一般情形下，是NP难的，但对于树的情形有多项式算法。
The cutwidth problem is known that the problem for general graphs is NP hard while it is polynomially solvable for trees.
一些人试图解决这个两难的问题只是让他们的伴侣总是有自己的方式。
Some people try to solve this dilemma by just letting their partners always have their way.
配送车辆优化调度问题是一类求解较难的组合优化问题，由于其NP难特性，采用精确优化方法有一定的局限性，不能得到令人满意的结果。
Logistic vehicle routing problem is combination optimization that is difficult to solve. Due to its NP characteristics, we can't get satisfying results when we use exact approaches.
有专家认为，大学生毕业生就业难的问题，是冰冻三尺，非一日之寒。
The expert thinks, college graduates' employment problem, is Rome wasn't built in a day.
为了解决非球面光学零件加工难、成本高的问题，现已研究出的加工方法有几十种。
In order to solve it, there are tens of kind methods developed to process aspheric optic parts at present.
有软时窗约束多车场开放式车辆路径问题是在基本的车辆路径问题上增加了时间窗约束和多车场作业的一种变化形式，是一个典型的NP-难问题。
MultiDepot Open Vehicle Routing Problem with soft time windows is a variation of the Vehicle Routing Problem con- strained by multidepot and soft time windows, which is a typical NP-hard problem.
超难，超难的问题，让我夜不能寐，不知道哪位大侠有安眠药。
Ultra hard, ultra-hard problem, let me awake at night, do not know which heroes are sleeping.
或许有一天“执行难”问题会成为过去，但至少现阶段它是一道必须面对的难题。
Though the question of the difficulty of execution will become history one day in the future, but it is a difficult problem that must be faced together at the present stage at least.
你怎样才能把它做得完整，做得有高度有深度，这是非常难的问题。
And how do you make it full and having height as well as depth, this is very difficult problem.
你怎样才能把它做得完整，做得有高度有深度，这是非常难的问题。
And how do you make it full and having height as well as depth, this is very difficult problem.
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