adj. 前所未闻的；听不到的；未被注意的
It's unheard of for somebody so young to get a place at university. 这么年轻的人就在大学里应聘任职真是前所未闻。
It's unheard of for a boy of his age to gain university entrance. 他这样年纪的孩子上大学，可真是闻所未闻。
The word not spoken goes not quite unheard. 不曾说出的话未必不曾被倾听。
His complaints were unheard. 他的抱怨无人理睬。
adj.前所未闻的
