rough diamond

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。

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。

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 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。

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。

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%。

The Indians are now ramping up their orders from rough diamond suppliers , of which De Beers is the biggest .

这些印度公司如今正在大幅增加从原钻供应商处的订购，戴比尔斯便是后者中最大的一家。

The company is no longer in control but is the most powerful actor in a diversifying market , with its sales arm accounting for about 40 per cent of rough diamond sales .

该公司已不再控制市场，但仍是这个多元化市场上最具影响力的参与者其销售额占到了全球原钻销售的40%左右。

Since the international market of rough diamond is relatively blocked , the general appraisers who are lacked of the direct reference information on trading could not evaluate the rough diamond by the traditional appraising approaches .

由于国际毛坯钻石市场相对封闭，评估工作者面临着缺乏直接的市场交易参考信息等困难，无法采用传统的珠宝评估方法进行估价。

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。

In 2000 , it put a purple-pink rough 12.49-carat diamond up for auction , but it failed to sell , according to Sotheby 's.

该拍卖行称其在2000年曾上拍一颗12.49克拉的紫粉钻原石，但没能成交。

Obviously , the German question arose entirely from external factors , while the Taiwan question , left over by China 's civil war , is a matter of China 's internal affairs . Diamond in the rough or rough diamond External causes become operative through internal causes .

显然，德国问题完全是由外部因素造成的。而台湾问题则是中国内战遗留的问题，是内政问题。

A new technique for polishing CVD diamond film has been investigated , by which rough polishing of CVD diamond film can be efficiently carried out .

本文提出了一种新的CVD金刚石膜抛光技术。采用该项技术，可以高效率的完成CVD金刚石膜的粗抛光。