| 例句 |
unheard-ofadjective not known or experienced beforehouses selling at unheard-of prices fresh, new, novel, original, strange, unaccustomed, unfamiliar, unknown, unprecedented innovative, uniquenontraditional, unconventional, untried, unused, unwornpathbreaking, pioneering, trailblazing familiar, hackneyed, old, time-honored, tired, warmed-over conventional, established, traditional, tried, tried-and-truederivative, imitative in 1592 |