challenges
US:/ˈtʃæləndʒ/
UK:/ˈtʃælɪndʒ/
n.:
挑战；难题；要求；(比赛等的)提议
v.:
要求；引起；质问；驳斥
网络:
挑战模式；如何看待挑战；怎样看待挑战
Word forms: (复数) challenges (现在分词) challenging (过去式) challenged
Examples
1.
Jackie Chan's action is often flee to the challenges of life.
成龙的亡命动作经常是向生命挑战。
2.
Time in a changing world full of challenges, and I'm ready to meet it.
时刻在变化的世界充满了挑战，而我已经做好准备迎接它。
3.
The investment in nature had to be made through taking up eco-system and landscape scale challenges, she said.
投资于环境必须面临生态系统和土地等的挑战，她说。
4.
Trying to fit this requirement into the same structure as defined for the Business Insight use case presents a number of challenges.
尝试将此要求适配成为BusinessInsight用例定义的相同结构会带来很多挑战和问题。
5.
He said the challenges facing the nation will not be met quickly or easily.
他说，美国所面临的问题不会迅速和轻易地解决。
6.
Among the challenges facing such a program are the lack of a road network and recycling facilities in the territory.
这些项目实际实施中碰到的主要困难是努纳乌特地区道路网络的不健全以及回收设施的匮乏。
7.
Still, the company faces challenges as the U. S. Food and Drug Administration considers restricting or banning menthol.
此外，由于美国食品与药品管理局考虑限制或禁止薄荷卷烟，罗瑞拉德也面临着挑战。
8.
Services introduce additional management challenges emanating from the composite nature of the solutions they participate in.
由于基于服务的解决方案是通过组合服务实现的，这在管理方面造成了新的困难。
9.
Otherwise, our study is supposed to be able to respond the challenges proposed by natural science and humanity, social science of our era.
再者，我们的研究必须能够回应这个时代自然科学，人文社会科学成果所提出的问题和挑战。
10.
Think tanks too have grown, as challenges nobody thought of a few decades ago now bear down on us.
随着几十年前不曾料到的各种挑战的出现，各种智库也应运而生。