内秀外粗的人
n.未加工的天然钻石，浑金璞玉
I think the new employer is a rough diamond.───我觉得那个新雇员是一块未经雕琢的美玉。
He is said to be a rough diamond.───人们说他是一块浑金璞玉.
Jane's new boyfriend was rather a rough diamond but we liked him anyhow.───简新交的男友是个举止粗鲁但品质良好的人,不管怎么说我们喜欢他.
I know he looks a bit of a rough diamond in his tattered jeans, but apparently he does a lot of good work for local charities.───我知道他穿着破烂的牛仔裤看上去有些浑金璞玉的样子，但清楚他是为当地的慈善事业做了许多有益的工作。
He is said to be a rough diamond.───说他是一块浑金璞玉。
John looks awkward for a ball player, but he is a rough diamond.───约翰看起来似乎是个笨拙的球员, 事实上他是个可造之材.
rough diamond───未加工的钻石
rough diamonds───未经琢磨的原钻
rose diamond───玫瑰钻石
Hope diamond───希望钻石；希望之钻；希望之星（重达45.2克拉，且全球最大的蓝宝石）
a rough patch───粗糙的地方
a rough ride───艰难时期，艰难进程，艰难经历
blood diamond───血钻
rose diamonds───玫瑰钻石
to diamond───到钻石