In fact, it's so difficult that drug companies have hardly ever tried.

This process removes the water hardness.

这一工艺去除水的硬度.

At night, when all the windows are lit up, the hardness of the daytime is softened.

夜晚, 当千家万户的窗子被灯光照亮之时, 白天那种硬邦邦的感觉就缓和下来了.

Indentation methods of hardness testing comprise two principal groups.

压痕法测定硬度包括两大类.

A hardness came over Gudrun's face. She did not want to be too definite.

古姐脸上一阵冷酷的神情, 表明她并不想把这事说得太明确.

Beneath Ruth's composure he sensed an uncharacteristic hardness.

在露丝的平静下面他感到一种反常的严酷.

A knid of metallic hardness came into his voice.

他的声音带有一种刺耳的生硬的腔调.

He felt the hardness of the iron railing press against his spine.

他感觉到硬邦邦的铁栏杆顶着自己的脊梁。

One property of steel is its hardness.

坚固是钢的特性之一.

Hardon has little mind to go with her.

哈登不大想跟她去.

Prices have reached ( the ) hardpan.

物价已经降到了 最低点.

I could not believe that they were the hards of a lady in the early thirties.

我比能相信这些手属于三十多岁的女性.

Apart from a small handful of die-hards , everybody has the capability for being remoulded.

除了少数死硬派之外, 每个人都有改造(好)的可能.

In essence it is the howl of the die-hards for bourgeois despotism.

这种叫嚣,其本质就是顽固分子们的资产阶级专制主义.

Only when the die-hards launch a new attack should we counter with a new struggle.

在他们举行新的进攻之时,我们才又用新的斗争对待之.

I don't like these die-hards.

我不喜欢这些顽固的家伙.

Such die-hards will be discard by history.

这种顽固分子会被历史所抛弃.

The die-hards of today are precisely such double-dealers .

现在的顽固分子,就是这种 两面派.

Most of the die hards were still there. But this was a treat for many.

大多数切尔西的死忠当然也出现在, 但这么做是为了更多的人!

A great many of them are graduates of special training schools for die-hards.

有很多的顽固分子,他们是顽固专门学校毕业的.

Die-hards they are today, and die-hards they will remain tomorrow and even the day after.

他们今天顽固, 明天顽固,后天还是顽固.