前所未有的英文：
unprecedented

参考例句：
  • Crime and lawlessness are rampant as never before in our history.
    犯罪和违法行为之猖獗是我国历史上前所未有的。
  • The rate of growth was unprecedented.
    这个成长率是前所未有的。
  • The pace of agricultural growth since the reforms began has been unprecedented.
    改革以来的农业增长速度是前所未有的。
  • Unprecedented levels of unemployment
    失业率达到的前所未有的严重程度
  • On the one hand, this gives us an unprecedented opportunity.
    一方面，这给了我们一次前所未有的机会。
  • The flood had been caused by unprecedented rainfall.
    洪水是由于前所未有的大量降雨造成的。
  • Our school faced unprecedented difficulties.
    我们学校碰到了前所未有的困难。
  • Economic globalization has provided mankind with unprecedented opportunities for development.
    经济全球化使人类获得了前所未有的发展机遇。
  • the extent of culture impact which the teachers fall under is more exquisite than ever before.
    教师受到的文化冲击之剧烈程度是前所未有的。
  • The business is conducted on a scale of unprecedented immensity.
    这项业务是按前所未有的巨大规模来经营的。
unprecedented是什么意思：
adj. 前所未有的，空前的
  • That is a situation unprecedented in the history of the school.
    这是该校有史以来未曾出现过的情况。
  • That may seem impossible, but it's not unprecedented.
    这种想法似乎不太实际，但并不是没有先例。
  • The business is conducted on a scale of unprecedented immensity.
    这项业务是按前所未有的巨大规模来经营的。
  • Footballers launched an unprecedented crusade against racism on the terraces.
    足球运动员们对阶梯看台上的种族歧视发起了一场空前的运动。
  • But the world today is being transformed at an unprecedented pace.
    然而，世界正以史无前例的步伐演进。

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