If they knew how difficult it was to drill through hard rock, they would lose heart.

The discussion was made on the technology used in gravel, boulder and hard rock formation.

探讨了在卵砾石 、 漂石等复杂地层以及坚硬基岩中进行旋挖钻进所用钻头的结构及其施工工艺.

Freight rate this economy lever, how prize double exceed this hard rock , times get people attention.

运价这个经济杠杆, 如何撬动双超这个顽石, 倍受人们关注.

These are useful in hard rock mining where high brisance, high shattering effects, are desired.

这种炸药,对需要高威力 、 高破碎效应的坚硬岩石矿, 是有用的.

In the 1970 s, groups played hard rock and punk music, instead.

而到了70年代, 乐队开始演奏重金属和朋克音乐.

Lately they have been getting into hard rock.

近来他们一直热衷于演奏硬派摇滚.

Politics was not the only subject debated in the hard rock of the sixties.

在六十年代疯狂摇滚乐的“辩论”中,政治并非是唯一的主题.

Before I had my operation, I was a waitress at the Hard Rock cafe possibly.

在我手术之前, 也许我在HotRock咖啡厅做过服务员.

Oh, all kinds but especially Hard Rock.

啊, 各种各样的我都喜欢,但特别喜欢硬摇滚.

She drove the car onto hard shoulder of the motorway and waited for help.

在附近可以听到汽车从高速公路上疾驶而过的声音.

She drove the car onto the hard shoulder of the motorway and waited for help.

她把汽车开到高速公路旁的停车区，等候援助。

Railway tracks on both sides of the embankment top is called the hard shoulder.

铁路钢轨两侧的路基顶面叫做路肩.

He had a hard time after the operation, but soon he was holding his own.

他在手术后有一段艰苦的时期, 但很快就好了.

He had a hard time holding on to himself.

他好不容易才把自己控制住.

In those years he had a very hard time making a living for his family.

那些年他要养家,日子很难过.

I know it's a hard time for you.

我知道你心情不好.

This matter really gave him a hard time.

这事可苦了他了.

The hard time moulded his personality.

艰难时代塑造了他的个性.

I know you're having hard time and I'm here to take care of you.

你最近举步为艰所以我来这照顾你.

We had a hard time finding a ferry boat.

我们好不容易找到一只渡船.

We had a hard time scraping up enough money for me to get down here.

我们好不容易才攒够钱,让我来到这里.