1."The challenge of terrorism is a formidable challenge, and requires a comprehensive strategy of counterterrorism, " he said.
齐丹巴拉姆说：“恐怖主义的威胁是巨大的，须要以广泛的反恐策略来对抗。”
2.I concur it is a formidable challenge, but not so much that we cannot at least try to find ways to improve it.
我同意这是一项艰巨挑战，但也不至于让我们甚至不能做出尝试，想办法改善现状。
3.But Woori's large market capitalization and complicated local laws pose a formidable challenge to any purchaser.
但友利金融巨大的市值和复杂的地方法规对任何竞购者都构成可怕的挑战。
4.Solving those riddles might be the most formidable challenge yet for the vaccine field.
解开这些谜团可能是当前对疫苗研究领域最艰巨的挑战。
5.Many analysts feel that if he does decide to contest the election, General Fonseka will pose a formidable challenge to Mr Rajapaksa.
许多分析人士认为如果方塞卡将军确实决定参加此次竞选，那么他将对拉贾帕克萨总统产生难以克服的巨大挑战。
6.Sirte, their next target and Col. Gadhafi's birthplace, may prove to be a formidable challenge.
他们的下一个目标苏尔特是卡扎菲的出生地，这可能会是一个艰巨的挑战。
7.But the project is a formidable challenge to all of our expectations of what a monumental building should be.
但这个建筑对我们想像中的标志性建筑物是一个巨大的挑战。
8.With more than 300 million smokers nationwide and a deeply entrenched smoking culture, that seems a formidable challenge.
中国全国烟民逾三亿人，且抽烟的习惯根深蒂固，禁烟看起来将会是一场艰难挑战。
9.Doing business in South Sudan is a formidable challenge at the best of times.
现今在南苏丹做生意无疑面临着最艰巨的挑战。
10.The provision of safe water and sanitation is a formidable challenge but remains the critical factor in reducing the impact of cholera.
提供安全饮用水并做到环境卫生是一项艰巨挑战，但仍然是减少霍乱影响的关键因素。