the quality of being very valuable because of being rare, expensive, or important

I have always had a sense of the preciousness of life. 我一直感悟到生命的可贵。

As an elder person, part of my role is to try to keep alive the preciousness of history. 作为一个长者，我的部分职责是努力再现珍贵的历史。

behaviour that is very formal and unnatural because it gives too much attention to details that are not important and tries too hard to be perfect

As an actor, he has always tried to avoid preciousness. 他一直努力避免成为一名做作的演员。

We don't want too much preciousness about our ingredients all being locally sourced and organic. 我们的原料都来自当地，都是有机的，我们不想对其过度烹饪。