我被他父亲的冷漠震惊了。

I was shocked by his father's ___coldness.

与这次经历相反，我在另一个事件中体验到了我母亲的冷漠。

Contrary to this experience, I had experienced my mother's ___coldness through the other episode.

她对客人的冷漠让气氛变得不舒服。

Her ___coldness towards the guests made the atmosphere uncomfortable.