He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.

他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。

Two factors weigh heavily against the effectiveness of scientific research in industry.

两个因素严重地影响工业里科学研究的效果：

The second factor is more interesting and more fundamental.

第二点更有意思，也更重要。

and zoomorphic animal shapes ablaze with red and gold and blue,

还有用红色、金黄色、蓝色绘制的光彩夺目的兽形图案，

His telescopic observations are justly immortal;

伽利略用望远镜所作的观察确实是不朽的，

it is not always safe by the time it reaches the tap.

等水到达龙头时就不一定总是安全的了。