前所未有

This is something unheard of in history.

这是历史上前所未有的。

That's unheard of - 10 to 20 percent under budget.

而这是前所未有的低于预算的 10-20 个百分点。

With the rapid development of science and technology and the wide use of information technology, English teaching is facing unheard-of challenge.

英语教学随着科学技术的迅猛发展，信息技术的广泛运用，面临着前所未有的挑战。

The fast development of information technology provides unheard-of chances for the basic education, and puts forward new requirements for elementary teachers and middle school teachers in their professional development .

信息技术的飞速发展为中小学教育的发展提供了前所未有的机遇，也对中小学教师的专业发展提出了新的要求，如何培养适应21世纪发展需要的中小学教师是每个教育领域的研究者所应该关注的话题。

The country's economic and political fabric will face an unheralded challenge if large numbers of pink slips go to white-collar workers in 2009 - the kind of people who have grown accustomed to having more choices and a higher standard of living.

如果已经习惯更多选择机会和更高生活水平的白领在2009年收到了大量的解雇通知书，这个国家的经济和政治结构将面临前所未有的挑战。

With this pledge taken, I assume unhesitatingly the leadership of this great army of our people ated to a iplined k upon our common problems.

而我们还希望行使法律的人士做到充分的平等，能充分地担负前所未有的任务。

Ere I had finished this reply, my soul began to expand, to exult, with the strangest sense of freedom, of triumph, I ever felt. It seemed as if an invisible bond had burst, and that I had struggled out into unhoped-for liberty. Not without cause was this sentiment: Mrs. Reed looked frightened; her work had slipped from her knee; she was lifting up her hands, rocking herself to and fro, and even twisting her face as if she would cry.

我还没有回答完，内心便已开始感到舒畅和喜悦了，那是一种前所未有的奇怪的自由感和胜利感，无形的束缚似乎己被冲破，我争得了始料未及的自由，这种情感不是无故泛起的，因为里德太太看来慌了神，活儿从她的膝头滑落，她举起双手，身子前后摇晃着，甚至连脸也扭曲了，她仿佛要哭出来了。

We live in an unprecedented Wealthyworld, which was Unimaginable in 200 years ago.......

我们生活在一个前所未有的丰裕的世界中，在一二百年前这是很难想象的。

Apart from Exceptional Advantages and unmatchable, unprecedented Benefits associated with Email.

除了得天独厚和无与伦比，前所未有的利益电邮。

Therefore, it is necessary for modern enterprises to supply reliable and real-time information and services by utilizing computer systems, more and more departments especially those pivotal departments have been unprecedentedly relied on computer systems, however, it is unavoidable for the hardware and software of a computer to have a breakdown, which may certainly results in unmeasured losses.

对现代企业来说，利用计算机系统来提供及时可靠的信息和服务是必不可少的，越来越多的行业、部门，尤其是关键部门，对计算机系统呈现出前所未有的依赖性。但是计算机的硬件和软件都不可避免地会发生故障，会带来无可估量的损失。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。