1·Bill was stimulated by the challenge.
比尔受到该挑战的激励。
—— 《柯林斯英汉双解大词典》
2·She beat off a challenge to her leadership.
她战胜了对她的领导地位的挑战。
—— 《牛津词典》
3·You can rely on him to respond to a challenge.
你可以信赖他，他懂得应付挑战。
—— 《牛津词典》
4·I called out a challenge, but there was no reply.
我发起了一个挑战，但是没人回应。
—— 《柯林斯英汉双解大词典》
5·He said he's game for a similar challenge next year.
他说明年他敢尝试一次类似的挑战。
—— 《柯林斯英汉双解大词典》
1·Students who enter the Curiosity Challenge and are selected as winners will be honored at a special ceremony.
参加“好奇号”挑战赛并被选为优胜者的学生将在一个特别的仪式上受到表彰。
2·I am writing to offer my sincere congratulations to you on your winning the first prize in the Chinese Chess Network Challenge.
我写这封信是为了衷心地祝贺你赢得了中国象棋网络挑战赛一等奖。
3·This competitor may be smiling, but the challenge is no laughing matter.
这名选手似乎在笑，但参加这种挑战赛可不是轻易笑得出来的。
4·The lunar lander challenge is good news for NASA, because it can now count on groups of potential suppliers and experienced engineers to build any future moon lander.
登月飞行器挑战赛对美国国家航空航天局而言是一个好消息，因为它如今可以依靠大批潜在供应商和经验丰富的工程师群体制造出未来所需的任何登月飞行器。
5·The challenge that year was to help an organization reach one hundred million people in five years.
那一年的挑战赛是帮助一个组织在5年内触及1亿人。
1·The biggest challenge here is irrigation, which consumes 70% of the world's fresh water.
这里最大的难题就是灌溉，因为这消耗了世界上70%的淡水。
2·On smaller machines, adding disks and controllers may be a challenge and may also require the purchase of an expansion unit.
在较小的机器上，添加磁盘和控制器可能是一个难题，还可能需要购置一个扩展单元。
3·A common challenge is how to better manage the content used by these tools.
一个常见的难题是如何更好地管理这些工具所使用的内容。
4·Part of the challenge is that we're not just looking for a single charismatic moment.
这个难题的一部份是因为我们不仅仅是在找一个璀璨的时刻。
5·With guidance and coaching, I hope to demonstrate that developing PHP math libraries is not a difficult task and may represent an interesting technical and learning challenge.
通过指导和训练，我希望证明开发php数学库并不是一项很难的任务，它可能代表一项有趣的技术和学习难题。