1、everyone 只能用来指人，其意思相当于 everybody.
2、everyone是一个词，只用来指人,等于everybody，在它后面不能跟介词of； every one是两个词,既可用来指人，也可用来指物,等于each one，后面可跟介词of。
3、every one 既能指人，也可指物，后面可以加“of+n.（复数）”短语作定语。
例子：
1、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。
2、Everyone feels like a failure at times
人们有时会觉得自己是个失败者。
3、The scene was astonishing to me, to every one standing by.
这情景使我和每一位旁观者都很惊诧。
4、Why were you holding everyone up?
你为什么耽搁了大家？
5、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。
6、He was his distant relative, as was everyone else on the island, come to think of it
哦，对了，他是他的远亲，岛上的其他人也是。
扩展资料
比较：
1、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。
2、Everyone saw the stunt you pulled on me.
大家都看见了你对我耍的花招。
3、He then proceeded to play for more than two hours, reprising every one of his hits.
他又接着演奏了两个多小时，将他的每一首知名作品都演奏了一遍。
4、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。
参考资料：百度百科：英语语法