a rough diamond

He is said to be a rough diamond.

人们说他是一块浑金璞玉.

The guy is really a rough diamond, and he can get everything right, although he is a little bit careless.

这家伙真的是个外粗内秀的人，他什么都能搞定，虽然他有点大大咧咧的。

Though the man I introduced to you last night looks somewhat boorish, he is a diamond in the rough.

我昨天晚上介绍给你认识的那个人虽然看上去有点没礼貌, 可他是个外粗内秀的人.

Underscoring the appeal of large stones, Lucara sold a rough diamond weighing 813 carats privately in May for$ 63 million, or a record of about$ 77500 a carat.

卢卡拉在5月曾通过私下交易的方式，以6300万美元的价格出售了一颗813克拉的原石，创下每克拉约7.75万美元的纪录，愈发突显大型宝石的魅力。

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.

De Beers, while no longer a cartel, accounts for 40 per cent of global rough diamond sales.

不再是卡特尔组织的戴比尔斯占全球原钻销售份额的40%。

Other chemicals were added to encourage the carbon atoms to attract each other, producing a rough diamond within two weeks.

然后，加入其他化学制品促使这些碳原子互相吸引，从而在两周内形成一颗粗糙的钻石。

John is a rough diamond; despite his appearances, he gets on with everyone in the group.

例句别在意约翰的外表，他其实是一个外粗内秀的人，他和组里的人都很合得来。

He said I was like a rough diamond and I needed polishing.

他说我就像一块粗糙的钻石，需要磨光。

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.

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.