| 释义 |
adjective He'd dyed his hair, which was almost unheard-of in the 1960s. 他染了头发，这在 20 世纪 60 年代是罕见的事。 It is almost unheard-of for a new band to be offered such a deal. 一支新乐队得到这样的一份合同，几乎是空前的。 At that time, it was completely unheard-of for girls to go to university. He was sentenced to a hitherto unheard-of seven life terms in prison. |