1ADJ [verb-link ADJ]没发生过的 You can say that an event or situation is unheard of when it never happens. 没发生过的
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。
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。
2ADJ 令人震惊的;前所未有的 You can say that an event or situation is unheard of when it happens for the first time and is very surprising or shocking. 令人震惊的;前所未有的
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。
Mom announced that she was going to visit her family for a couple of weeks, which was absolutely unheard of.