1·In a recent study, Stephen Saunders Webb has presented a formidable challenge to this view.
在最近的一项研究中，斯蒂芬·桑德斯·韦伯对这一观点提出了严峻的挑战。
2·Now it faces a formidable challenge.
而如今，它正面临着难以对付的挑战。
3·But Gowalla faces a formidable challenge.
但Gowalla公司正面临艰巨的挑战。
4·And unless you're Nostradamus, this is a formidable challenge.
除非你是占卜师，否则这将是一个严峻的挑战。
5·Yet it is certain that for almost every state, such racial problems are taken as a formidable challenge.
但是可以肯定的是，在大多数国家，这样的种族问题是被当做一个艰巨的挑战来处理的。
6·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。
7·Between 2001 and 2003, Kessler and colleagues undertook a formidable challenge-determining the status of Americans' mental health.
2001年到2003之间，Kessler及其同事接手了一项艰巨的挑战——清查美国人的精神健康状况。
8·Following some relief in Washington that Pyongyang's missile launch proved a failure, the threat to abandon the talks presents a formidable challenge to Obama.
平壤导弹发射被证实失败后，华盛顿方面多少有些宽慰，然而，随之而来的放弃会谈的威胁，却是献给奥巴马的一个难以应对的挑战。
9·But before you face the formidable challenge of thinking like your interviewer and her CEO, try taking on the perspective of a lesser intellect: a fly on the wall.
像你的面试官或其CEO一样思考，这是一个艰难的挑战。面对它之前，先试一试这个不太挑战智商的：墙上的一只苍蝇。
10·Several answers have been proposed to address this fundamental question, but none has been proven-and even adequately testing them has proven to be a formidable challenge.
已经有几个答案被提出来来回答这个基本问题，但是没有一个被证明——甚至对它们的充分的检验也被证明是一个可怕的挑战。