hard;solid;stiffness;rigidity;adamancy ;
[hard;be strong and tough] 很硬
坚硬的山石
硬。如:坚硬的山石。
你的车有个坚硬的顶.
You have a hard top.
主观的坚硬的,还是客观的柔软的?
Subjectively firm or objectively flexible?
骨化石基本上都是坚硬的岩石块,这意味着把它们组装成一具完整的骨架是巨大的挑战。
Fossilized bones are essentially solid lumps of rock, which means that mounting them into a skeleton is an enormous challenge.
那是收入金钱坚硬方式。
That's earning money the hard way.
我有坚硬的壳----海龟。
I have hard shell----turtle.