搭配 “the sands of time 时间之沙” 是用沙漏里的流沙来比喻时间流逝。它多用来谈论过去已经发生过的事情，表示时间过得很快。

例句

No one knows where the story came from. The author's name is lost in the sands of time.

没人知道这则故事出自何人。作者的名字早已随着时间的流逝被人遗忘。

Even though I'm old, I feel great. The sands of time have been kind to me.

我虽已年迈，但感觉身体还不错。岁月对我很仁慈。

The sands of time had really left their mark on the building. It was starting to fall apart.

时光在这座建筑上留下了岁月的痕迹，它已经有了土崩瓦解的迹象。