1. Solving problems such as climate change and poverty remains fiendishly difficult. 解决气候变化或贫困问题仍是困难重重。
2. Its big problem, however, is that it can be illegal (if copyright is violated) and fiendishly hard to turn into a business. 然而，该网站最大的问题是视频内容涉嫌非法（如果侵犯版权的话），而且极难盈利。
3. Internet traffic to newspaper websites sites is soaring, but is proving fiendishly变态 hard to monetise in amounts that will support an extensive network of reporters and editors. 目前，报纸类网站访问率不断激增，但如何将访问率变现来支撑庞大的记者、编辑网络，却成为了一个十分棘手的问题。
