ㄎㄨㄤˋkuàngㄍㄨˇㄨㄟˋwèiㄨㄣˊwén

  1. 前所未聞警世通言··百年》:文書拆開以為曠古未聞。」

never before in the whole of history (idiom)​, unprecedented, also written 曠古未有