challenging work/questions/problems
具有挑战性的工作╱提问╱问题
a challenging and rewarding career as a teacher
富有挑战性且有意义的教师职业
She gave him a challenging look. ‘Are you really sure?’ she demanded.
她用挑衅的眼光看了他一眼。 “你敢肯定吗？”她问道。
1.挑战的;
1.“challenge”的现在分词
1.The derivative of challenge
2.difficult to deal with or achieve, but interesting and enjoyable
1.The present participle of challenge
1.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。
2.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。
3.Dealing with inpidual 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。
4.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。
5.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。
6.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？
7.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。
8.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。
9.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。
10.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。