1.Poorly designed and implemented systems may be easy to write but they're a real challenge to support.
粗劣设计的并可执行的系统可能易于编写，但是要对它们提供支持确实是一个挑战。
2.Defend their missile launchers, UFO players to lead a real challenge, you become a hero and the elimination of the enemy!
捍卫自己的导弹发射器，幽浮给超前的玩家一个真实的挑战，成为英雄和消灭你的敌人！
3.Another said typing can be a real challenge at first, but that this could be overcome with a bit of practice.
另一个说，刚开始的时候用屏幕键盘写字很不适应，但稍加练习后就没事了。
4.If creating a logo design for a sole entity itself could be so complicated, then a corporate fusion can be a real challenge.
为单独一家公司设计Logo已是非常复杂之事，要为企业合并设计Logo更算得上是种挑战。
5.Just trying to get boys to sit still and pay attention is a real challenge for any parent or teacher.
只是让男孩子安安静静地坐下来专心，就让父母和老师头疼了。
6.S. values. It would be laughable, if it didn't point to a real challenge in the Sino-American relationship.
那将是很可笑的，如果它没有指向一个真正的挑战在中美两国的关系。
7.Keeping the children focused was a real challenge.
使孩子们聚精会神是一项重大的挑战。
8.I suppose most of us would agree that reading is a beneficial thing, but making time for reading can be a real challenge.
现在我想我们中大部人都同意阅读是一件有益的事情吧，可是找些时间去阅读却是一个头疼的问题。
9.Although I am very grateful to have this opportunity to be the leader of the team, the new appointment is a real challenge to me.
虽然我很感谢能有这个领导团队的机会，但这个新任务对我来说还真的是个挑战。
10.On top of that, because of Zimbabwe's petrol shortages, we had been warned the car inspection could be a real challenge.
除此之外，由于该国石油短缺，有人警告我们，车检可能是真正的挑战。