cease to do　 长时间，甚至永远停做某事。

cease doing　 短时停止做某事，以后还会接着做。

That department has ceased to exist forever.

那个部门已不复存在。

The girls ceased chatting for a moment when their teacher passed by.

姑娘们在老师走过时，停了会聊天。

A small number of firms have ceased trading.

一小部分公司已经停止贸易。

To cease providing effective service or function.

停止提供有效服务和功能。

When you cease to dream you cease to live.

当你停止梦想的时候，你就停止了生存。

We could summarize this by saying, when I die, I cease to exist.

总结起来就是，我死了，就停止了存在。

When the body breaks, I cease to exist as a person.

当肉体消亡时，我就不作为人存在了。

She ceased to be a member of the association.

她不再是协会会员。

He never ceases to amaze me...

他总能给我惊喜。

(这个否定用法比较好，表示“总是、总能”)