What is the translation of " CHALLENGES " in Chinese?

• 挑战
• 难题
• 质疑

Examples of using Challenges in English and their translations into Chinese

(a) Political challenges.
政治上的困难.

Challenges me in a good way.
你挑战我的一个好方法。

Microhistory and its Challenges.
微信和它的挑战者们.

Challenges of Explosive Growth.
爆发性增长下的挑战.

I also hope it challenges the viewer.
我希望它也能对后来者以启迪。

These challenges are highly relevant in the consulting sector.
这些方面是对于咨询行业至关重要的。

However, significant challenges remain.
然而，我们仍然面临重大挑战。

All challenges are of equal weight.
所有的问题都有同等的权重。

Each zone brings its own set of challenges and secrets.
每个区域都带来了自己的一系列挑战和秘密。

All three challenges were accomplished.
个挑战全部成功完成.

Every place has its own set of challenges and opportunities.
每个平台都将有自己的一套挑战和机会。

Not all challenges, however, are external.
然而，并非所有的反对都是外来的。

Challenges while walking, maintaining balance which can lead to falling down.
行走时的挑战,保持平衡,可能导致摔倒.

Advantages, challenges and the future.
的优势,挑战与未来.

Challenges while swallowing and the victim may choke especially when taking drinks.
吞咽时的挑战和受害者可能呛,特别是在喝饮料.

Main protection challenges and activities.
主要的保护问题和活动.

The challenges to delivering this include: replacing gas heating;
到递送这个挑战包括：替换气体加热;

There are over 280 challenges and 70 achievements.
超过282个关卡和70项成绩。

Big-data challenges call for management oversight.
大数据挑战需要管理监督.

Developments and Challenges in the Law of the Sea.
南海局势与应对海洋法的新发展.

Practical challenges and related considerations in implementing international standards on auditing.
国际审计准则》实施中的具体困难和需考虑的相关问题.

What are main challenges to open innovation?
实现开放驱动创新的主要障碍是什么?

Complex challenges require creative solutions.
复杂的问题需要创造性的解决方案。

In spite of many expected challenges, such progress has continued apace.
尽管预计会有许多障碍，但仍在这些方面快速取得进展。

Addressing challenges of countries with special needs.
解决具有特殊需要国家的困难。

In short, opportunities and challenges coexist, we look forward to your joining.
总之，机遇与挑战并存，我们期待您的加盟。

United Nations challenges right of claimant to bring this arbitration.
联合国反对索赔者诉诸仲裁的权利。

There are no challenges regarding official aspects.
在官方领域内不存在挑战。

Norwalk: Often challenges and opportunities go together.
葛剑雄：机遇跟挑战往往是并存的。

Manufacturing's many challenges are creating opportunities for advanced predictive analytics.
制造业面临的许多难题正在为先进的预测分析提供机会。