Although it is challenging to work in Antarctica, scientists' passion to learn about this mysterious land will never end.
虽然在南极洲工作极具挑战性，但科学家们对这片神秘土地的热情永不停歇。
Being part of the background in a convincing (令人信服的) way is challenging, and being on a film or TV set is always fascinating.
以一种足够令人信服的方式成为时代的背景是极具挑战性的，而成为电影或电视的主角又很令人向往。
"Although the job is challenging, risky and dangerous, there is nothing more I would rather do," Jing Haipeng, 50, who is commander of this mission, told reporters.
50岁的景海鹏是这项任务的指挥官，他告诉记者：“虽然这项工作具有挑战性、风险性和危险性，但我没有其他更愿意做的事了。”
The current economy is challenging.
当前的经济形势充满挑战。
Whew! Love sure is challenging.
噢！爱情肯定是具有挑战性的。
Under normal conditions it is challenging.
就算在一般的条件下，这都具有挑战性。
Business readiness is challenging at times.
业务就绪情况往往具有挑战性。
Of course, set a time that is challenging yet achievable.
当然，设定一个具有挑战性并能完成任务的时间。
Beth: Sales is challenging I know, but the rewards can be big.
贝丝：我知道销售很有挑战，不过报酬很可观。
Managing and operating a Web application is challenging enough.
管理和操作Web应用程序是一项艰难的任务。
Creating an DSL is challenging, but it does provide many advantages.
创建DSL是很有挑战性的工作，但同时会带来很多好处。
What he is also doing, however, is challenging an American habit of mind.
然而，他还挑战了美国的思维习惯。
Differentiating "normal" anger from excessive anger is challenging, of course.
当然，区分“正常”的愤怒情绪和过度愤怒情绪是一个巨大挑战。
ACTION: You should be more confident in whatever situation is challenging you.
对策：无论现在正面临怎样的挑战，你都应该变得更加自信。
'The structure and expense of a complex lottery system is challenging,' he says.
他说，一个复杂的彩票体系的结构和费用颇具挑战。
You see, I like work that is challenging, and I think I am ready for more challenging work.
您知道，我喜欢具有挑战性的工作，我认为现在我已为迎接更有挑战性的工作做好了准备。
And Dubai is not the only place that is challenging the business vocabulary in this way.
而迪拜并不是唯一一个以这种方式挑战商业词汇的地方。
And then there’s the rest of life. Even meeting someone for lunch or coffee is challenging.
还不止这些，就算是和某人一起吃饭，喝咖啡都是很困难的事。
This is challenging because there is no network in a unit test and the AJAX call will fail.
这很有挑战性，因为单元测试中没有网络，AJAX调用会失败。
While tuning DB2 buffer pools is challenging, you can dramatically improvement performance.
虽然优化DB 2缓冲池是有些难度的，但是您能够显著提升性能。
Squeezing meaningful quantities of bioethanol from this waste is challenging but not impossible.
从这些废料中压榨出足够量的生物乙醇是具挑战性的，但也不是不可能。
Their application development model is challenging, adding to the complexity of the implementation.
基于NoSQL数据库的应用程序开发模型也面临挑战，因为它增加了实现的复杂性。
Certainly this is challenging work, but it is also tremendously involving, valuable, and satisfying.
当然这是富有挑战的工作，但同时还是要大量参与的、有价值的，并令人满意的。
Finding ways to influence today's consumers is challenging, but it provides a significant payoff.
要想设法影响当今的消费者颇具挑战性，但却会提供巨额的回报。
If I visit the galley, it's very hot and steamy, pans are everywhere, it is challenging in there.
假如我去厨房，那里酷热无比，热气腾腾，到处是锅盘碗杓。
This is challenging Britain's belief in itself as a fighting nation with an important role in the world.
这正动摇着英国认为自己是一个肩负着重要使命的善战国家的信念。
This is challenging Britain's belief in itself as a fighting nation with an important role in the world.
这正动摇着英国认为自己是一个肩负着重要使命的善战国家的信念。
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