We call each other by our first names here.

我们这儿彼此直呼其名。

《牛津词典》

We could always call each other everyday.

我们还可以每天打电话呀。

youdao

Activity of Moscow switchboards shown. At night people call each other much less.

如莫斯科的交换机活动表所示；晚上，月黑风高，打电话的人们少了很多。

youdao

They all tutoyer each other, even if they hate each other's politics, and they call each other by the informal name.

人们表面亲热,即使他们与对方的政见相对立,他们用非正式的名字称呼对方

耶鲁公开课 - 1871年后的法国课程节选

and if we're bored, then we just call each other up, go into Westwood or something.

要是我们无聊了，就互相打个电话，去韦斯特伍德什么的。

想吃中餐的时候 - SpeakingMax英语口语达人

They call each other "brother" and "sister" and yet they're always talking about love all the time.

他们互称为兄弟姊妹“,而且还一直谈论爱。

耶鲁公开课 - 新约课程节选

When Peyton was last available, interested parties used to call each other on a land line.

WSJ: Peyton Manning, Sad but Single

While the two men would call each other friend until Hemingway's death, their first encounter was not promising.

CNN: He remembers Papa

We can't be sure they were discussing dinner, but scientists do think dolphins call each other by name.

CNN: Dolphins may be calling each other by name