Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be back to life with a little creativity.

艺术不仅可以给别人带来快乐，而且它还表明，即使是冰冷、坚硬的铁，也可以用一点创造力恢复生机。

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The ground floor there are oil, natural gas, coal, geothermal, limestone, dolomite, hard iron bauxite and other mineral resources, rich reserves, the exploitation of high value.

地下蕴藏着石油、天然气、煤炭、地热、石灰岩、白云石、硬铁矾土等矿产资源，储量丰富，具有较高的开采价值。

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In Sichuan, soldiers spent a hard time creeping across Luding Chain Bridge, which was made up of 13 iron chains, in the middle of gun fire.

在四川，士兵们在炮火中艰难地爬过由13条铁链组成的泸定铁桥。

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He worked hard. In time,he earned enough money to take control of an iron factory.

VOA: special.2010.02.25

"We just labored really hard to say, okay,we're audience members who made the first 'Iron Man' successful and we're smart, which is kind of why we were drawn to it;

VOA: standard.2010.05.19

Apart from its debt and some operational problems at its Italian mobile business that should not be too hard to iron out, Telecom Italia is in reasonable shape.

ECONOMIST: Italy��s biggest telecoms firm faces an uncertain future

After two hours of coding at work, the trapezius muscles connecting his neck to his shoulders feel as hard as cast iron.

FORBES: Digital Rules

China re-exports a lot of what it imports, turning hard drives into iPods and iron ore into steel.

ECONOMIST: Global rebalancing