坚硬反义词：
酥软，柔弱，柔软，绵软，松软，柔韧，软弱
【英文解释】
hard;solid;stiffness;rigidity;adamancy ;
【基本解释】
[hard;be strong and tough] 很硬
坚硬的山石
【详细解释】
硬。如：坚硬的山石。
【中英例句】
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.