... as hard as a stone铁石心肠 as hard as iron坚如铁石，很严厉，很残酷 as hard as nails像钉子那么结实 ...
基于30个网页-相关网页
With the help of the science and technology, glass can be made as hard as steel, or as soft as silk, or as light as paper, or as heavy as iron.
借助于科学技术，玻璃可以被制作的像钢一样硬，像丝一样柔，像纸一样轻，像铁一样重。
youdao
In general, they were not as hard and solid as wooden doors or iron gates.
总之，都不如木门、铁门来得坚实。
After two hours of coding at work, the trapezius muscles connecting his neck to his shoulders feel as hard as cast iron.
FORBES: Digital Rules
应用推荐
模块上移
模块下移
不移动