unheard of

英 [ʌnˈhɜːd əv]

美 [ʌnˈhɜːrd əv]

adj.  没发生过的; 无先例的; 令人震惊的; 前所未有的

Collins.1

柯林斯词典

• ADJ 没发生过的
  You can say that an event or situation isunheard ofwhen it never happens.
  1. Meals are taken communally with other guests in the dining-room. Private bathrooms and toilets are unheard of...
     饭是在餐厅和其他宾客一起吃。私人浴室和卫生间更是闻所未闻。
  2. It's almost unheard of in France for a top politician not to come from the social elite.
     在法国，大牌政客非社会精英阶层出身的几乎闻所未闻。
• ADJ 令人震惊的；前所未有的
  You can say that an event or situation isunheard ofwhen it happens for the first time and is very surprising or shocking.
  1. Long lines of people had queued up to buy at the unheard-of rate of two bottles of rum for $3...
     人们排起了长队，以空前的速度抢购3美元两瓶的朗姆酒。
  2. Mom announced that she was going to visit her family for a couple of weeks, which was absolutely unheard of.
     妈妈说她要回娘家几周，这绝对是前所未有的事。

双语例句

• "That's not unheard of," says Bell, adding that similar conditions in1998 made headlines.
  “这是曾经发生过的，”贝尔说，他把1998年的相似情况做了补充和比较。
• A first novel by an unheard of writer; developments on an unheard-of scale.
  一个前所未闻的作家的处女作；以空前的规模发展。
• Meals are taken communally with other guests in the dining-room. Private bathrooms and toilets are unheard of
  饭是在餐厅和其他宾客一起吃。私人浴室和卫生间更是闻所未闻。
• What's impossible? Something that's never been done? Something unheard of within your reality?
  何谓不可能？那些从未有做过的事情？在你所知的现实中没有听过的东西？
• While the boy's find was rare, it's not unheard of.
  虽然他找到的蝉很罕见，但是并非前所未闻。
• It is unheard of in Pakistan for the head of the intelligence services to be humiliated in this way.
  情报官员受到如此严重的羞辱，这在巴基斯坦是闻所未闻的。
• This kind of thing was absolutely unheard of.
  这种事之前可以说是闻所未闻的。
• It's almost unheard of in France for a top politician not to come from the social elite.
  在法国，大牌政客非社会精英阶层出身的几乎闻所未闻。
• Anaphylaxis to Paracetamol is virtually unheard of, despite the occasional unsubstantiated reports in the past.
  但对扑热息痛过敏应实际上是前所未闻，除了偶见章无充分证据的报导。
• The stay-at-home mother is nearly unheard of and nearly all mothers must balance work with raising a child.
  国内留在家中不用出去工作的母亲几乎闻所未闻，母亲们必须在工作和教养孩子的责任上作出平衡。