everyone是代词，意为“每人”，“人人”，指人，不指物，后面不能跟of短语；every one是两个词，意为“每个”，既可以用来指人也可以用来指物，后面可跟介词of。

everyone用法

（1）Is everyone here today?

今天大家都到齐了吗？

（2）Everyone in the street was shocked when they heard the news.

听到那条消息，街上所有的人都震惊了。

（3）Everyone needs some free time for rest and relaxation.

每个人都需要一些休息和放松的自由时间。

（4）Everyone knows he's the only person who can do the job.

人人都知道他是唯一能做这项工作的人。

（5）I call on everyone to renounce the use of violence and armed struggle.

我呼吁每个人都放弃使用暴力和武装斗争。

every one用法

（1）His books are wonderful. I have read every one of them.

他的书很精彩，每一本我都读了。

（2）He had two dozen oysters and enjoyed every one of them.

他吃了两打牡蛎，每一只都吃得津津有味。

（3）They can't destroy truth without destroying each and every one of us.

除非他们将我们赶尽杀绝，否则真理不灭。

（4）When danger appeared, every one of them held back.

当危险到来的时候，他们每一个人都退缩了。

（5）Every one of us wishes this war were over and won.

我们每一个人都希望这场战争能够结束并取得胜利。