adj.灰白的；古老的

His hoary hair showed his age. 他的花白的頭發(fā)顯示出了他的年齡。

He told us a hoary old joke that we'd all heard many times before. 他給我們講了一個(gè)我們都聽(tīng)了很多次的老掉牙的笑話。

They discussed the hoary old problem. 他們討論老問(wèn)題。

adj.白頭發(fā)的