副词身体结实，冷酷; 冷酷无情

1. 身体结实：as hard as a brick 极硬 | as hard as nails 身体结实 | as hard as the nether millstone 铁石心肠

2. 身体结实;冷酷无情：473as forprep. 至于,关于 | 474as hard as nails身体结实,冷酷无情 | 475as if好像

3. 身体结实, 冷酷：as hard as iron || 铁一样坚硬 十分严厉 十分残酷 | as hard as nails || 身体结实, 冷酷 | as hard as the nether mill stone || 铁石心肠 冷酷无情