unheard-of

常见例句

We are developing our production at a speed unheard-of before.
我们正以前所未闻的速度发展生产。
《新英汉大辞典》
Being relatively small, the screen had a resolution of a then-unheard-of 200 pixels per inch (ppi).
一款相对较小的显示器，它拥有一个前所未闻的每英寸200像素的显示屏。
First, since the recession was unusually deep and the recovery unusually slow, the US is experiencing unheard-of long-term unemployment rates.
首先，由于衰退异乎寻常的严重，同时复苏异乎寻常的缓慢，美国正经历着前所未闻的长期高失业率。
okread.net

And so Massad was given an unheard-of second hearing before a different committee this past year.
CENTERFORSECURITYPOLICY: Terror training grounds
So last October the law firm took the unheard-of step of suing the trademark bureau.
ECONOMIST: China's powerful bureaucrats have lost a lawsuit
Even so, it is not exactly unheard-of for political considerations to influence a decision on illegal state-aid.
ECONOMIST: Trouble for the market leader