challenging

Trade is always going to be challenging on all sides and in many countries. That's what I was reflecting on.

做贸易总是会遇到各种挑战，各国皆如此。这是我当时所想。

It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege.

上音的生活令人愉快，也令人感到有压力，有时甚至会感到泄气，但永远充满了挑战性。

Dealing with individual differences between students within a classroom can be viewed as one of the most challenging tasks of a teacher.

处理班级中学生之间的个体差异，对于教师来说，是最具挑战的任务之一。

With several recent studies challenging his conclusions, Professor Easterlin set out to see if the pattern still exists.

最近有几项研究正在挑战他的结论，所以伊斯特林教授进行此次调查来证明这一理论在当前社会的适用性。

However, traditional therapeutic methods can take months to years to do so and can be very challenging in the process or not really work.

然而，传统的治疗方法会有几个月甚至几年的时间去完成，而且道路充满艰辛，却不一定有效果。

Could Ahmadinejad build his conservative nationalist supporters into a movement capable of challenging Iran's dominant theocracy?

艾哈麦迪-内贾德能否将他的保守民族主义支持者们发展成足以挑战伊朗神权统治的力量呢？

Whether or not you are bothered by side effects of treatment, it may be challenging to maintain a positive outlook and sense of self-esteem.

而无论你是否被治疗的副作用所困扰，保持积极的人生观和自尊心都会变得富有挑战性。

Though CDU traditionalists grumble about her leadership, they have no one capable of challenging her.

虽然基民盟中的守旧派对她的领导颇有微词，但他们当中还没有一人有能力挑战她。

My answer is always the same--it's just as challenging as it is anywhere else in the world. No more, no less.

我的答案总是一样的——在那的挑战和在其他任何地方都一样，不多不少。

Sagitarius the person optimistic, honest, warm, likes challenging, but impetuously is very easy to be restless, crude conduct.

射手座的人乐观、诚实、热情、喜欢挑战，不过很容易浮躁不安，鲁莽行事。

Odom to see such attitude, the reporters will also be a challenging topic decided just to throw the Phil - Jackson.

见到奥多姆如此看得开，记者们也将一个富有挑战性的话题抛给了菲尔-杰克逊。

So far investigators are finding it challenging to develop medicines able to deplete or expand T-reg populations within a patient's body.

研究人员发现，目前药物开发的最大挑战，是要找出一种能减少或增加患者体内调节性T细胞数量的药物。

It appeared to be a helpful effort directed to young people, challenging them to live for God in a changing world.

我想这会给年轻人带来很大的帮助，挑战他们在这变迁的世界中为上帝而活。

Understandably, the travel industry is trying to reduce operating costs to increase profit to compete in the challenging economy.

旅游业正努力减少经营成本，以期在这个充满挑战的经济环境中获利，这点是可以理解的。

How much of your time goes to trivial, mundane work rather than the challenging stuff you enjoy and that your boss values?

你有多少时间是浪费在世俗的琐事上，而不是用来完成你所热爱的挑战或者你上司所欣赏的工作上呢？

The latter is much more difficult and challenging - boundaries are not so easy to break.

后者有着巨大的挑战性，因为界线是不容易被打破的。

Such a project would be far too technically challenging and hazardous, Winterberg insisted, even for most doctoral candidates.

温特伯格坚持认为，即便对于很多博士研究生来说，这样一个工程的技术难度和危险性都显得太大了。

His wife's distractedness was particularly challenging when the children were young.

孩子还小的时候，他妻子的注意力问题尤其令人担忧。

The company in question seems to have responded well to the challenging conditions.

上面问题所涉及的公司似乎对严峻的环境应对得不错。

The first two or three days will be somewhat challenging, but breaking any bad habit starts out a little bumpy.

在头两三天里将会有所具有挑战性的，但违反任何坏习惯开始了一个小颠簸。