adj. 顽固的；严重的
... m 坚如磐石的 rock-ribbed 顽固的 rockabilly 乡村摇滚乐 ...
... rock-ribbed 有岩石层的 rib 肋骨 ribbed radiator 肋片散热器 ...
Let us go back again for a moment to the year 1945 and rejoin Chiang Kai-shek in his rock-ribbed refuge at Chungking.
让我们再用一点时间回顾一下一九四五年，当时蒋介右避居在山城重庆。
In fact, it was the explosion of the deficit during the 1980s that turned my rock-ribbed Republican father into an open-minded voter.
CNN: Clinton's October 9, 2007 speech on retirement security
Nor do farmers, many of them rock-ribbed Republicans, readily acknowledge that the windbreaks and other conservation projects started by the CCC helped preserve the land from devastating erosion.
Therefore, Giuliani needs a rock-ribbed religious conservative on his ticket.