frigidness

The frigidness of the winter morning made us stay indoors.

冬日早晨的严寒让我们待在室内。

She complained about the frigidness of the water in the mountain lake.

她抱怨山间湖水的冰冷。

Without heating, the frigidness in the room soon became unbearable.

没有暖气，房间里的寒冷很快变得难以忍受。