我们在一起了用英语怎么说

"We are together" 或 "We are in a relationship" 都可以用来表示两个人在一起。

"We are together" 是一个常用的短语，源自英语中的 “to be together”，意思是两个人在一起，可以用来描述两个人在一起的关系。

例句：

We are together for a long time now.
They are together for the rest of their lives.

"We are in a relationship" 是一个更正式的说法，源自英语中的 “to be in a relationship”，意思是两个人在一段关系中。

例句：

We are in a relationship for more than two years.
They are in a serious relationship.