Files can be lost if the system suddenly crashes.

要是计算机系统突然崩溃，文件就可能丢失。

《牛津词典》

In the first case, a node crashes or suddenly gets disconnected from the server.

第一个例子中，一个节点突然停止工作，或失去与服务器的连接。

youdao

Suddenly there is a loud noise. The plane has a problem! It crashes.

突然有一声巨响。飞机出了问题了！它坠毁了。

youdao

Or one of my favorite examples, you could be sitting in your-- you read this sort of thing in the newspaper periodically-- you could be sitting in your living room when suddenly an airplane crashes into your house, killing you.

或者像我最喜欢用的一个例子那样，你可能坐在你-,你按时读报纸之类的东西-,你可能正坐在你家起居室里,这时突然有架飞机撞进了你家，杀死了你。

耶鲁公开课 - 死亡课程节选