单词unheard-of
adj.: 前所未闻的；空前的；很反常的
网络: 闻所未闻；从来没有听说过；前所未有的
前所未闻的；空前的；很反常的:
that has never been known or done; very unusual
空前;闻所未闻
从未听见过的,前所未闻的,空前的
adj.unknownunfamiliarnewobscureundiscovered
adj.well-knownordinaryinoffensive
He continues to puff away on cigars and listen to music in his office in an era where indoor smoking is all but unheard of.
他仍然在办公室里抽雪茄，听音乐，尽管现代社会中室内吸烟已经少有听闻了。
Under his very eyes, unheard-of vision, he had a sort of representation of the most horrible moment of his life, enacted by his spectre.
他的影子在他眼前扮演他生命中最可怕的一页，这种情景，真是闻所未闻。
Other colleges, though, are trying to drum up excitement by offering perks that would have been unheard of a generation ago.
其他大学则尽可能提供一些在上一代人中闻所未闻的条件来引起学生们的兴趣。
This is an unusual letter Lapin people do not dissatisfied, complain, even wrote a thank you back to the company is really unheard of.
这是一封与众不同的信，落聘的人没有不满，毫无怨言，竟然还给公司写来感谢信，真是闻所未闻。
And he began to wonder if he was seeing something virtually unheard of: forged fingerprints.
他开始怀疑自己是否看到了几乎闻所未闻的东西：伪造指纹。
Now the odds of this meeting even taking place would have seemed "unheard of" just a couple of weeks ago.
目前这笔交易的确出现了转机，尽管在几周之前似乎还无人问津。
The new goddess was unheard-of a few years ago and has no basis in any Puranic myth.
这位新女神在几年前是前所未闻的，没有任何皮瑞尼时代神话的背景。
A few years ago that was almost unheard of -- you"d be asking for one pipefitter at a time.
前些年这几乎没听说过，那时候你可能会一次招聘一个管道安装工人。
Already up to 80% of largest companies deploying or piloting the iPad; this is unheard-of. Just scratching the surface right now.
已经有超过80%的大公司正在配置或试用iPad，这是前所未闻的，而现在只是刚刚触到皮毛而已。
It seems to me, therefore, that we are making progress at an unheard-of rate of speed.
因此在我看来，我们人类其实是以一种闻所未闻的飞快速度进步着。