和堂兄弟们相比，他看上去好像又瘦又矮小，实际上他身体好像又瘦又矮小，实际上他身体非常强壮，生病的次数比他们少多了。
身体结实, 冷酷无情
as hard as nails
暂无补充释义。
相关例句
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go hard with sb.